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PHI; The Golden Ratio in Maya Math

topic posted Mon, November 7, 2005 - 12:03 AM by  Unsubscribed
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< a long one, but well worth it >

The Fibonacci Numbers:
Connections within the Mathematics and Calendrical Systems
of Ancient Mesoamerica


by Valerie Vaughan




Introduction
Astronomical cycles do not fit neatly into whole-number counting systems created by humans. For example, we must use decimals to express the tropical year at approximately 365.2422 days, the lunation at about 29.5306 days, or the average synodical revolution of Venus, which is 583.92 days. We tend to assume that it is necessary to use fractions or decimal placement in order to express these kinds of astronomical figures, but that is simply a prejudice based on our familiarity with the Western method of counting. Long before modern scientists gave us such "precise" measurements, the ancient Mesoamericans evolved a numerical system that could handle most astronomical calculations; in fact, all the planetary cycles could be incorporated within their intricate calendrical system. They succeeded in bringing these cycles into relation with one another and, most importantly for the Maya, into relation with their sacred (astrological) calendar of 260 days. And they performed this astonishing feat without any knowledge of fractions or the decimal system. No wonder the Maya called their calendar "divine!"
The Mesoamericans, like all civilized peoples of the world, developed and abided by a calendar based on the approximate length of the tropical year (365 days). But they also used a second calendar unlike any other in the world. Known variously as the tzolkin (Yucatec) or tonalpohaulli (Nahuatl), it was 260 days in length, and served as an astrological almanac or sacred calendar for all peoples of ancient Mesoamerica. It is even still in use today in some parts of Mexico and Guatemala. This calendar guided the daily rituals and cultural achievement of the people, but it also formed the basis for interconnecting the various measurements of cyclical time.
Despite the importance of the 260-day calendar for ancient Mesoamericans, no explanation has been generally accepted as to how, why, or exactly where this time-keeping method began. One astronomer has suggested that its origin was due to a 260-day span of time between zenith positions of the sun during winter at the latitude of Mesoamerica (around 15 degrees North).[1] But this theory credits a disproportionately large amount of influence to an incidental measurement; it is rather like saying that most of the art, religion, mathematics, and astronomy of an entire culture is based on the geographical address of its capital -- on two days of the year. The theory also ignores the mathematical genius of the Mayan people and their absolute dedication to astro-numerology.
The fact is that the ancient Maya discovered a mathemagical key that linked nearly every known astronomical cycle. With the number 260 and its component divisors (13 x 20, 5 x 52, etc.), they could interconnect all the apparent time sequences of observable celestial cycles -- solar, lunar, eclipse, Venus, Mars, Mercury, even the cycle of precession. The 260-day calendar was used to denote multiple interrelated systems; for example, it could be brought into phase with the 365-day calendar once every 52 years, which was an important cycle for the Maya. This period of 52 years is called the Calendar Round, the hunab (Maya) or xiuhmolpilli (Nahautl).
In the Dresden Codex (one of the few surviving codices from ancient Mesoamerica) are tables giving multiples of 780 days (260 x 3), which correlate with the synodic period of Mars (779.936 days). Elsewhere in this codex is a table with a base of 117 days, which is close to the synodic period of Mercury (116 days) and is also connected to the rhythm of the 260-day calendar.
One of the great intellectual feats of the Mayan sky-watchers was the construction of a table for predicting when solar eclipses might be visible. This was accomplished without the knowledge that the sun crossing the moon's path creates a solar eclipse (an event taking place every 173.31 days, called the eclipse half-year), because supposedly the Maya did not know that the earth revolved around the sun. Nevertheless, they calculated that three eclipse half-years were approximately equal to two rounds of the 260-day sacred calendar (3 x 173.31 days = 519.93 days). We know this from the Dresden Codex table where 69 dates are given for solar eclipses that would occur during 33 years.[2]
The Maya observed that the synodical revolution of Venus averaged 584 days, but they wanted to incorporate this cycle into their 260-day calendar, which was composed of twenty day-signs that had coefficients numbered one to thirteen. The most significant day of Venus in the 260-day calendar was 1-Ahau, also called One Flower. The Maya wanted to know how many synodical revolutions were necessary before Venus would reappear as a morning star (the heliacal rising after inferior conjunction with the Sun) on the sacred day 1-Ahau. They recognized that five synodic periods of Venus (approximately 584 days) corresponded to eight so-called Vague Years of 365 days, as well as being close to 99 lunations. They figured out that, in 104 Vague Years (two times the Calendar Round, which coordinates the 260-day count with the Vague Year), there are 146 of the 260-day counts, 65 Venus periods, and 219 times the eclipse cycle. Thus,
2920 = 8 x 365 = 5 x 584
37,960 = 104 x 365 = 65 x 584 = 146 x 260 = 219 x 173.31
This was a neat solution, but astronomical measurements are much more complex. Since the average synodic cycle of Venus is actually 583.92 days, after 65 revolutions calculated at 584 days, there is an accumulated error of 5.2 days. This means a gradual displacement of the true helical rising of Venus at the start of the 104 Vague Year count from its official position, the day One Flower in the 260-day count, so that the helical rising of Venus would miss the predicted date by five days. How did the Mayans solve this problem of drift?
In the Central Mexican codices that contain Venus tables, there are five sections that present 65 Venus periods or 104 Vague years. The astronomer John Teeple found that these tables contained indications of corrections, made by subtracting a few days at the end of the 57th and 61st Venus periods.[3] Making these alterations brought the final Mayan accuracy to an error of only one day in 6000 years.

The Tropical Year
As should be clear by now, accuracy was a hallmark of the Maya understanding of time and planetary cycles, so it seems safe to assume that they would have measured the tropical year with equal rigor. Unfortunately, the hard evidence for this is slim, so we must rely somewhat on scholarly interpretations. (If the conquering Spanish Catholics had not burned most of the Mesoamerican literature, this wouldn't be a problem for modern researchers.) Because only a handful of astronomical codices survive, what modern Mayan scholars must often do is to reason, "since they knew this, they must have known that," and thus draw out more information by interpolation.
The question of whether the Maya knew the true length of the year has been discussed by scholars ever since Diego de Landa's claim in the 16th century that [the Maya] "had a year as perfect [sic] as ours, consisting of 365 days and 6 hours," and that "from these six hours one day was made very four years, and so that they had every four years the year of 366 days."[4] In deciding how much we can rely on Landa's understanding of Mesoamerican astronomy, we must consider the fact that Bishop Landa was one of the leading Spanish book-burners. According to his own account, "because the books contained nothing in which there were not superstitions and falsities of the devil, we burned them all."
What we do know is that the Maya recognized several calendars operating simultaneously. The Vague Year was a 365-day period divided into eighteen 20-day veintenas (360 days), plus the five "days without name" at the end. There is no evidence that the Mesoamericans actually ever intercalated leap days. However, there are several notations in surviving codices that strongly imply their understanding of the true length of the year. This was revealed in 1930, when John Teeple published one of the most extensive studies of astronomical practice in the New World. The conclusions he made were independent of the so-called correlation question (how to correlate the Mayan Long Count with the European calendar) and were based solely on an examination of intervals separating Maya dates on the monuments and in the codices.
Regarding the question of leap year corrections, Teeple proposed that the Maya had a system of "determinants" by which they expressed the accumulated error since the inception of their Long Count calendar, but another scholar argued that these alleged "determinant" dates were historical events occurring at irregular intervals.[5] The noted Mayan scholar J. Eric S. Thompson supported Teeple's proposal, and felt that the skeptics were unjustified.[6] The Vague Year was constantly creating a discrepancy (just as the Julian calendar did in Europe) which could not have been ignored by the time-conscious Maya; and we know from other sources that the Maya had a remarkably accurate knowledge of the true length of the tropical year.[7] Subsequent research has continued to uncover in the inscriptions certain integral multiples of the true tropical year.[8]
The duration of the solar year as determined by modern astronomy is 365.242191 days.[9] Analysis of monument dates and codices shows that the Maya understood the tropical year to be 365.2422 days in length (they did not express it in that form, of course, since they did not use fractions or decimal places, but the indications are clear, as we shall see). This amount is more astronomically accurate than the Gregorian calendar which is currently in use (365.2425 days). The Mayan measurement contains an error of one day in 6729 years, while the Gregorian calendar has an error of one day in 3236 years. The Gregorian Calendar, adopted in 1582, was devised by the Italian Luigi Lilio (Aloisius Lilius); he proposed the intercalation of 97 days in 400 years (which amounts to an average year of 365.2425 days). No one knows how this figure was derived.[10]
Actually, modern astronomers believe that the earth has been slowing down, which makes these figures even more interesting. Observations show that the length of the year is gradually diminishing, and extrapolations based on current measurements can be used to demonstrate that the length of the tropical year in 1582 was 365.24222 days.[11] This means that, even after Europeans devised the Gregorian Calendar in the 16th century, the Christian West has always measured the year with less accuracy than did the Mayan civilization which Europeans had destroyed in that same century.
Having laid this background, we are now prepared to introduce the Fibonacci numbers as a possible key to the Mesoamerican calendrical system.

Fibonacci Numbers
What are Fibonacci numbers? They are a sequence of numbers with several fascinating properties. The first property is that each term is the sum of the two previous terms. (Zero plus one is one, 1 + 1 = 2, 1 + 2 = 3, 2 + 3 = 5, 3 + 5 = 8, and so on.) Thus,
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597 ...
Fibonacci numbers were first discussed by an Italian mathematician of the 13th century, Leonardo of Pisa, whose nickname was Fibonacci. The astronomer-astrologer Johannes Kepler recognized this series as capable of producing the so-called Divine Proportion, but this fact was not explicitly stated until the 18th century as "the ratios of consecutive terms tend to a limit, which is PHI (), the Golden Ratio."
Why introduce Fibonacci numbers into a discussion of Mayan mathematics? In other words, how did I come to connect the Fibonacci numbers with the mathematics of a culture far removed from Europe? Early in my investigation of leap year calculations, I realized that Fibonacci numbers could be used to produce a good approximation of the true tropical year. One simply alternates addition and subtraction of fractions with a denominator in the Fibonacci series:[12]
365 + 1/2 - 1/3 + 1/5 -1/8 = 365.24166666...
Which just happens to an accurate measurement of the tropical year around 2300 A.D. (assuming the earth keeps on slowing down at its present rate), only 300 years away -- not that far into the future, calendrically speaking. Compare this with the current value in use (365.2425), which was an accurate measurement of the tropical year around 500 B.C., about 2500 years ago.
I also noticed that Mesoamerican mathematics-calendrics appeared to be based on continual additive series; i.e., various important numbers were repeatedly added or subtracted, which is the initial concept behind Fibonacci numbers. Because Fibonacci numbers are an additive series, each one can be constructed from combinations of others. The Maya apparently applied the same principle in their system of interlocking cycles. Their math, astronomy, and calendars were dominated by several numbers from the Fibonacci sequence (in particular, 5, 8, and 13), as well as by numbers that were created by the cumulative addition of the Fibonacci numbers (the all-important Mayan number 20 is the sum of the first six Fibonacci numbers, 1 + 1 + 2 + 3 + 5 + 8). The sum of Fibonacci numbers at any given point in the sequence is never a Fibonacci number itself, but if you add the second number in the sequence to this sum, the result is the number two terms ahead. For example, in the sequence 1, 1, 2, 3, 5, 8, (13), 21, add the first six numbers, skip the seventh, and you get the eighth minus the second number, one.
Fibonacci numbers have many fascinating properties. For example, take any three numbers in the sequence (like 3, 5, 8); square the middle number (5 x 5 = 25); multiply the first and third numbers (3 x 8 = 24); the difference between the two answers is always one. Or take any four numbers in the sequence, in order, multiply the two outside numbers and then multiply the two inside numbers. The first product will be either one more or one less than the second:
2, 3, 5, 8 3, 5, 8, 13
2 x 8 = 16; 3 x 5 = 15 3 x 13 = 39; 5 x 8 = 40
Another property of Fibonacci numbers is that the sum of any ten numbers in the sequence is equal to eleven times the seventh number in the series, a fact which would not have escaped the notice of Mesoamericans, who recognized the numbers 7 and 11 as special.
With these ideas as a promising start, I began to uncover more details that seemed to indicate that the Mesoamericans must have appreciated and used something like what we now call Fibonacci numbers. I recently discovered that John Major Jenkins investigated the Fibonacci-Mesoamerican connection in his book Tzolkin: Visionary Perspectives and Calendar Studies,[13] which I encourage readers to find. To my knowledge, Jenkins is the only scholar to have recognized the Fibonacci connection, and his insights are provocative. My paper here sums up my own research so far. The only disclaimer I can make is to admit that, once you begin to study the Fibonacci numbers and the Divine Proportion, there is a danger that you will start to see them in everything. But of course the Maya evidently had the same fascination for numbers as a key to the cosmos and they regarded such numbers as divine, so we are perfectly justified in adopting their attitude of reverence as we study the Mayan system.
One of the first things I attempted to do in this study was to find a fraction that approximated the leap year (several mathematicians have worked on this -- see footnote 10). The fraction I found which was closest to the value 0.2422 was 365/1507:
365 / 1507 = .242203 .2422 x 1507 = 364.9954
Here is the solution for the leap day calculation: the true tropical year exceeds the length of the regular calendar year (365 days) by one day every 1508 days:

365 x 1508  365.2422 x 1507
What does this mean for leap-day calculation? It would certainly simplify things if we just added one "leap day" after 1507 days, instead of all the rigamarole of "every fourth year, except in centennial years, unless they are divisible by 400." But we don't, because 1507 is an "odd" amount (according to our Western way of counting, which is rather stuck on inorganic, square, even numbers, such as four, six, and 100). But if we did use this formula, and if we "thought" mathematically in a manner similar to the Mesoamericans (in terms of cumulative addition), we would first have four regular years of 365 days, and then after an additional 47 days, we would add the leap day, and then start over again, having four regular years.
365 + 365 + 365 + 365 + 47 = 1507 (plus one leap day = 1508)
Once I had discovered the importance of 1508 for leap year calculation, I found that this particular number stood out in many of the Mesoamerican calculations and was therefore evidence of the Mayan understanding of the true tropical year. Before I could begin to congratulate myself on this discovery, however, I found out that some of my work duplicated that of a certain Mayan scholar, Munro Edmonson.
In 1988 Munro Edmonson published an intriguing examination of this evidence as The Book of the Year: Middle American Calendrical Systems. His conclusion is that the ancient Mesoamericans reached a better accuracy for the year than Western astronomers, and at a far earlier time, and that "their discovery was as much numerological as it was astronomical."[14] The following table is from Edmonson's book, demonstrating how the Mesoamericans arrived at their calculation of the tropical year through their sacred calendar, the 260-day tzolkin, which is 20 times the trecena (a 13-day period), or 13 times the veintena (a 20-day period).
13 x 4 = 52 One fifth of the tzolkin
13 x 5 = 65 One quarter of the tzolkin
13 x 7 = 91 1/4 of the calculational year (364 days)
13 x 20 = 260 One complete day count in the tzolkin
13 x 28 = 364 One calculational year
13 x 29 = 377 1/4 of the 1508-day leap year interval
13 x 29 x 4 = 1508 One leap year interval (52 x 29)
13 x 365 x 4 = 18,980 One calendar round (52 x 365)
13 x 365 x 29 = 137,605 One quarter of the solar era (1508 years)
13 x 365 x 29 x 4 = 550,420 One solar era

Edmonson believes that the calendar was designed so as to predict the correction for the tropical year every 1508 years, and that this is demonstrated by the structure and chronological placement of all the various Mesoamerican calendars with respect to each other. 29 x 52 gives both the leap-year interval (in days) and the length of the solar era (in years). To quote Edmonson, "Although I cannot reconstruct how [this formula] was reached, I believe it corresponded to the empirical discovery of the inequality of the [seasonal] quarters...If the original intuitive grasp of the era was a numerological rather than an astronomical discovery, the derivation of equal 377-year quarters of a 1508-year era is both logical and mystically attractive (29 trecenas to a quarter and 29 calendar rounds to an era)."[15]
So, Edmonson recognizes that the discovery might have been numerological, but he cannot reconstruct how this revelation was reached. This is where my Fibonacci theory comes in. One of the important numbers here, 377, is a Fibonacci number. In fact, it is the 13th if we begin the sequence with 1, 2, 3, 5, 8..., and 1508 happens to be the difference between two Fibonacci numbers (1597 - 89 = 1508). Another important value, 91, which is the number of days in a season or one-quarter of the calculational year, is the sum of all numbers from 1 to 13.
If you think this analysis is far-fetched, be patient. There's more to come. As we shall demonstrate, the Fibonacci numbers appear too often in Mesoamerican calculations to be merely coincidental. You might argue that the reason they do is because of the Mayan focus on such numbers as 5, 8, and 13, and the fact that they counted by 20 (which we have noted is the sum of the Fibonacci sequence 1 + 1 + 2 + 3 + 5 + 8). But that begs the question, why were these numbers so important to the Maya in the first place? Rephrased, why did they count this way (by 20s and 13s)? Was the Mesoamerican counting system actually based on an understanding of the concept that is behind the Fibonacci sequence and its universal applications? This is something to ponder as we go along.
Calculations and Calendrics
Now, as you know, the Gregorian Calendar solution is to add a leap day. Apparently, the Mesoamericans did the opposite, they subtracted. Recognizing that the 1508 Vague (365-day) Years of the solar era actually make up only 1507 real tropical years of 365.2422 days, they set out to erase the extra year by subtracting one 20-day month every 83 years. Actually, this was not in fact performed as a real correction, because any Mesoamerican calendar was allowed to run its course without change, but every time that a new calendar was founded, it was timed to the ongoing awareness of when the era was due to begin and end. By the way, regarding this subtraction of 20 days every 83 years, try this: Take the Fibonacci number 1597, subtract 20 and you get an exact multiple of 83.
1597 - 20 = 1577 = 83 x 19.
The Mesoamericans used sequences of additive numbers in their astronomical calculations, as is apparent in their five-part Long Count dating system, composed as follows. (Because 20 and 13 are involved, the great cycle can also be expressed as 7200 tzolkin, so that the great cycle begins and ends on the same name day, 4-Ahau, also called Four Flower.)
1 uinal = 20 days
1 tun = 18 uinal = 360 days
1 katun = 20 tuns = 7200 days
1 baktun = 20 katuns = 144,000 days
1 great cycle = 13 baktuns = 1,872,000 days (about 5125 years)

Note the use of the term "sequences of additive numbers," rather than "multiples." There is a subtle difference here that may assist us in getting into a Mesoamerican "headset." Multiplication is really a special form of addition. "There is no evidence showing that the Maya ever used their notation for multiplying numbers, or even that they ever multiplied two numbers, with or without their notation."[16] Many important numbers of astronomical significance can be created from additive functions. For example, if you add the numbers one through twenty-seven, you get 378, the synodic period of Saturn (in days). Adding one through 39 equals 780, the synodic period of Mars. As we have seen, adding the numbers one through thirteen gives 91, the number of days in a season.
Thinking in terms of consecutive, repetitive cycles is a slightly different approach than straight multiplying, using fractions, or "reducing to common denominators." For example, if you alternate the addition of 260 and 364 (the Maya calculational year in days), you get:
260 + 364 + 260 + 364 + 260 = 1508
We could instead think in a Western mathematical fashion and express this as an algebraic equation, ( 3 x 260 ) + ( 2 x 364 ) = 1508. Since 364 can also be expressed as 7 cycles of 52, or 28 cycles of 13, and 260 is 20 x 13, we can rewrite this as 1508 = ( 3 x 13 x 20 ) + ( 2 x 13 x 28), and find the factor 13.
1508 = 13 x 116
And 116 days just happens to be the synodic cycle of Mercury -- another eerie coincidence of resonance in the solar system that is revealed through the all-important Mesoamerican number 13 (a Fibonacci number). The word "coincidence" is used facetiously, of course, for this is no accident. The Mesoamericans held an astro-numerological key to the structure of astronomical cycles, and their culture was destroyed "coincidentally" during the rise of the Western European Scientific Revolution. Johannes Kepler attempted to reveal a similar mathemagical structure, and his work along these lines has been put down as "mystical" by the modern offspring of that same Scientific Revolution, the academic mafia. This latter term was coined by the Mesoamerican archaeologist Michael Coe in his critical assessment of his colleagues and a system that mitigates against academic heresy:
"Most anthropologists are so fuddy-duddy. They're not willing to let their minds roam ahead, speculate....There used to be more freedom of thought and expression, less worry about what peers said. Today there's sort of an academic mafia that runs things....If you say the wrong thing, you're bad and you don't get in... There are reputable publications that won't accept papers written based on anything but stuff dug up by archaeologists."[17] Needless to say, the paper you are reading right now falls into this category.
Modern academic prejudice, the debunking of astrology, or burning sixteenth century works of "superstition and falsities of the devil" -- what's the difference? Independent thinkers are not hampered by such restrictions to the growth of knowledge, so let us continue...
It turns out that 1508 days is a key value for determining other astronomical cycles.
1508 + 52 = 1560 = 2 x 780 (Mars cycle) = 9 x 173.31 (eclipse cycle)
= 6 x 260 (sacred calendar)
Also, taking the amount 1508 years (Edmunson's "solar era") and multiplying by 17, we get 25,636 years, a good approximation of the precessional cycle of the equinoxes.
Other calculational values were used repeatedly by the Mesoamericans. In the Dresden Codex, we find indications for another significant period of time, 1820 days.

1820 = 5 x 364 (calculational year) = 7 x 260
1820 = 1508 + six cycles of 52
One particularly important calculational value was the 819-day-count.[18] In Classic Maya inscriptions, it was one of the ongoing cycles specified by a Distance Number that was counted backwards to a particular tzolkin name day that had a coefficient of one. Because 819 is divisible by 13, this coefficient always remained the same. In Mayan hieroglyphics, there are "verb" glyphs that usually accompanied such a count, such as the God K who was commonly associated with the 819 count. According to some sources, God K was a rain god, possibly related to Mercury. Another connection with the 819-day-count was the period of forty days, symbolized in the texts by images of footprints. In the mythological passage from the Chilam Balam of Chumayel called "The Creation of the Uinal," there are images of footprints used to measure the world,[19] and this period of 40 days (twice the uinal) is still called by some modern Maya "one foot of the year."[20]
The 819-day-count is an interesting computational formula. It is the sum of the numbers 2 through 40, and can also be expressed as:


819 = 91 + 92 + 93.
819 is divisible by 13, 9, and 7, and can therefore be linked to several other cycles, such as the computational year:

4 x 819 = 9 x 364
There is much evidence that multiples of 364 days, particularly 20 x 364, were used by the Maya. The quantity 20 x 819 (or 45 x 364 = 16,380 days) was also used. The 819 days is equivalent to three tzolkins (39 veintenas) plus 39 days (or 20 x 41, minus one), which means it could function as a "footstep." In 819 days, the trecena coefficient and that of the Lord of the Night (a multiple of nine) remains the same, but the day name (and the kin coefficient in the Long Count) drops by one.
One researcher[21] has noted that the Maya could have used the 819-day-count as a means of tracking planetary positions, because the synodic periods of the visible planets can be integrated thus:
819 = 780 (one Mars cycle) + 39 (or 3 x 13)
= 2 x 377 (one Saturn cycle) + 65 (or 5 x 13, or 1/4 of a tzolkin)
= 7 x 116 (one Mercury cycle) + 7
= 2 x 399 (one Jupiter cycle) + 21 (or 3 x 7)
Adding together these four equivalents of 819, we get several useful calculational formulae:

819 x 4 = 364 x 9 = 63 x 13 = 117 x 7 = 21 x 39 = 13 x 7 x 9
We also note that 819 days can be linked to the cycle of Venus:

819 x 5 = 7 x 584 (one Venus cycle) + 7

And thus we see the value of the quantity 4 x 5 x 819 (or 20 x 819), which brings the cycle of Venus into alignment with the other planetary cycles. If we use 585, the Mayan calculational cycle of Venus, instead of 584, we see even more exact connections. (584 days is technically the mean synodic period; the cycle actually varies between 581 and 588)[22]
819 x 5 = 585 x 7 = 45 x 13 = 65 x 9
And by linking the 819-count with the 260-day tzolkin, we get a precise earth-Venus relationship:

819 x 260 = 364 x 585

The quantity 819 forms other interesting celestial relationships:

819 x 115.95 (Mercury cycle) = 260 x 365.2425 (tropical year)
819 x 40 (one "footstep of the year") = 360 (one tun) x 91 (one season)

The following fractions are all equivalent and suggest the Maya had an understanding of the intricate relationships between different cycles:

4 20 28 52 116 364
9 45 63 117 261 819
819 can also be expressed as the sum of various Fibonacci numbers, for example:
819 = 610 + 144 + 34 + 21 + 8 + 2 (or other combinations)
In fact, there are several numbers of astronomical significance that can be created from the Fibonacci series. For example, 2 + 3 + 5 + 8 +13 + 21 = 52, one-fifth of a tzolkin. We have mentioned that 1 + 1 + 2 + 3 + 5 + 8 = 20, and 20 times the next number in the series (13) equals 260. Take seven numbers in the series (8, 13, 21, 34, 55, 89, 144), add them together to get 364, divided by seven is 52. Or take alternating numbers in the series, adding two and skipping one:

0 + 1.....+ 2 + 3.....+ 8 + 13......+ 34 + 55......+ 144 = 260
(1) (5) (21) (89)

Using another sequence from Fibonacci numbers (55, 89, .... 1597), we add the first six:
55 + 89 + 144 + 233 + 377 + 610 = 1508
Continue forward two more in the series (987, 1597), subtract the second number (89), and you have 1597 - 89 = 1508. As previously mentioned, the reason this works is because of the general property of Fibonacci numbers: With any sequence of numbers in the Fibonacci series, you get the sum of all of them by going forward two more numbers in the sequence and subtracting the second in the sequence.
The synodic periods of the planets can also be created from Fibonacci numbers. The Mercury cycle of 116 days is 1508 divided by 13; the Jupiter cycle of 399 days is 34 more than one year, 365 days; the Saturn cycle of 378 days is 13 more than 365, or 377 plus one. The number of days in the Venus cycle, 584, is created from the sequence:
8 + 13 + 21 + 34 + 55 + 89 + 144 + 233 = 584 minus 13
The synodic period of Venus can also be expressed via the Fibonacci number 8:
584 = 81 + 82 + 83
What we are talking about here, as we jump back and forth between Maya calculations and European Fibonacci numbers, from the astrologically-oriented Mesoamerican culture to Western Science, is nothing less than the grandest quest of the human mind: to understand man's place within the universe. To perceive the pattern which connects man and nature has been the goal of many great thinkers. For example, it is the subject of Mind and Nature: A Necessary Unity, an extraordinary book by Gregory Bateson, the highly respected modern anthropologist. Posing the question, "what is the pattern which connects all living creatures," Bateson recognized that spirals, such as the one produced through the Fibonacci series, the Golden Proportion, are created by living things. The key, Bateson remarked, is "never quantities, always shapes, forms, and relations."[23]
Form, order, and pattern are terms that continually appear in Bateson's writings. He does not classify human beings according to category (such as religion, family, gender), but in terms of their relationships. "Patterns," Bateson said, "are the necessary outward and visible sign of the system being organized."[24] The numerological understanding of such patterns was also the goal of Johannes Kepler, of astrology in general, and Mesoamerican "calendrics" in particular. While the Western mind has investigated the principle of the Divine Proportion, the Mesoamerican mind observed the Divine Calendar.

Divine Proportion
The Divine Proportion, also called the Golden Ratio, and has been designated by the 21st letter of the Greek alphabet, PHI  (21 is, of course, a Fibonacci number). PHI is an irrational number created by the successive convergents of numerators and denominators following the Fibonacci sequence. To demonstrate this, take any Fibonacci number and divide it by the previous Fibonacci number. For example, 377 / 233  1.61803. The further you go in the Fibonacci series with this method, the closer you approach the Divine Proportion, which is equal to
PHI () ( 
Being an irrational number, it extends far beyond 1.618033988749894...but is often approximated at 1.618. The ratios of successive Fibonacci numbers tend toward PHI, so PHI is the limit of the sequence 2/3, 3/5, 5/8, 8/13, etc. These ratios approach, but never equal PHI. Mathematicians measure how "irrational" a number is by seeing how quickly the differences between these fractions and PHI shrink toward zero. It so happens that they shrink more slowly for PHI than for any other irrational number. This is why number theorists say that PHI is the "most irrational number." Two fascinating properties of PHI are seen in its reciprocal and its square:

1 =  - 1 or .618...



2 =  + 1 or 2.618...


Like 2, the higher powers of  can all be expressed very simply in terms of :

2 =  + 1
3 = 2 + 1
4 = 3 + 2
5 = 5 + 3
6 = 8 + 5
7 = 13 + 8
... where each power is the sum of the two previous powers, and the coefficients of  form the Fibonacci sequence over again, as do the integer parts of the powers.
The history of the Western understanding of the Divine Proportion is worth mentioning. There is some evidence that the ratio was important to the Egyptians, because the Rhind papyrus refers to a "sacred ratio," and it is also prominent in the dimensions of all the pyramids at Giza.[25] The ancient Greeks came close to worshipping its aesthetic relationship in their architecture and sculpture. Indeed, it was the the name of the Greek sculptor Phidias which inspired the modern invention of the term PHI ().
Leonardo da Vinci was probably the first to refer to the ratio as secto aurea, the Golden Section. The Italian Renaissance mathematician Luca Pacioli published a book called De Divina Proportione, illustrated by his friend da Vinci. "Coincidentally," Pacioli wrote this work in the year 1508 (remember that number?). He was also more than a little interested in probability and in what came to be known eventually as Pascal's Triangle, which is closely related to the Fibonacci series. Also "coincidentally," the last pre-Conquest Aztec ceremony was held the previous year, in 1507.[26]

Pacioli presented thirteen remarkable properties of the Divine Proportion. His "Ninth Most Excellent Effect" is that two diagonals of a regular pentagon divide each other in the Divine Proportion. If you tie an ordinary knot in a strip of paper and flatten it, the same figure appears. In the pentagram, which the Pythagoreans considered a symbol of health, the ratio is the Golden Ratio. Euclid in his Elements called this division "in the extreme and mean ratio," and used it to construct a regular pentagon, as well as the dodecahedron and icosahedron.
Kepler called the Divine Proportion one of the two great treasures of Geometry. Renaissance artists and architects regularly used it to create pleasing proportions, as did the modern architect Le Corbusier and the painter Georges Seurat. In fact, the Golden Proportion is the basis for many common objects such as playing cards, book covers, and windows, and psychologists have demonstrated that it is apparently preferred unconsciously by most people. It has been noted by one Fibonacci-aficionado, "Greek columns have golden proportions; so do a pack of Marlboros."[27]

Fibonacci numbers and the Divine Proportion also show up repeatedly in music. For example, the 8-note octave is produced on the piano keyboard as five black keys and eight white keys; thus the sequence 5, 8, 13. It has been suggested that the major 6th chord is "the one our ears like best," because the note E vibrates at a ratio of 0.625000 to note C, very close to the golden mean.[28] These notes produce pleasing vibrations in our inner ear's cochlea, a spiral-shaped organ, a fact that brings us to the next application of Fibonacci numbers.


PHI, Fibonacci, Phyllotaxis -- plus some Philosophizing
The Fibonacci sequence is also linked with the growth of plants. Certain statements by Kepler indicate that he understood this,[29] and Goethe wrote a paper about the subject, "Metamorphose der Pflanzen." The continuous application of PHI produces a logarithmic spiral which is the only curve in math that enlarges without changing its shape and which occurs frequently in nature.
The Divine Ratio/Fibonacci sequence is not accepted as a universal law in nature, but it is a fascinating tendency that appears far too often to be discounted as mere chance. Tendrils coil spirally; protoplasm streams in a spiral course; spiral threads occur in cytoplasm; molecules of DNA are spiral; and spiral grain has been found almost invariably in tree trunks.[30] Surfers shooting the gap underneath a breaking wave are covered by a logarithmic spiral of ocean spray. The shoreline of Cape Cod is a logarithmic spiral. Most of nature's horns, claws, and teeth exhibit the spiral, as in a ram's horn or parrot's beak, an elephant tusk or lion's claw, and the tusk of the now-extinct mammoth and saber-toothed tiger. And any dentist knows it is easier to pull a tooth in the direction of its curve.[31] The Fibonacci sequence reveals the breeding patterns of rabbits and the ratio of males to females among honey bees. We see the logarithmic spiral in the foetus of humans and animals, in the multiple reflections of light through mirrors, and the arrangement of spiral shells.
It is most apparent in plants in the distribution of leaves on branches, the seeds of sunflowers and pinecones, the scales of pineapples, and the spines on certain cacti. Such patterned arrangements of growth are called phyllotaxis. Some of the most common arrangements are in ratios of alternating Fibonacci numbers: 2/5, found in roses and fruit trees, or 3/8, which is found in plantains, or 5/13, found in leeks, almonds, and pussy willows.[32] If you examine the stalk of almost any green plant, you can observe this in action. Start at the bottom with a given leaf; move up the stalk, counting the leaves until you reach a leaf that is directly above the first one (do not count the first one), and you will have a Fibonacci number. In addition, the number of times you have circled the stalk will be another Fibonacci number. For example, there are generally thirteen buds arranged between two vertical lines on a pussy willow stem, and to count the buds you must circle the stalk five times.
In one recent survey of nearly 13,000 observations of 650 species, 96.5% conformed to classic, Fibonacci-type phyllotaxes.[33] Fibonacci numbers are found in the number of petals in a majority of common flowers: iris (3), primrose and buttercups (5), dahlia (8), ragwort (13), marigold and aster (21), daisy (34), Michaelmas daisy (55 and 89).[34]
Similar ratios appear in the scales of a fir cone or the florets of a sunflower. Here the packing is regular, forming sets of spiral rows, or parastichies. A pineapple usually has 5, 8, and sometimes 13 parastichies; a sunflower may have 21/34, 34/55, 55/89, or 89/144. In a good specimen of a sunflower, this remarkable feature will be seen: two sets of equiangular spirals superimposed or intertwined, one spiral turning clockwise and the other counterclockwise, with each floret filling a dual role by belonging to both spirals. Comparable arrangements of opposing spirals associated with Fibonacci numbers are found in the pine cone (5 and 8).[35]
If you look at the tip of the shoot of a growing plant, you can detect the parts from which all the main features of the plant form -- leaves, petals, sepals, florets, etc. At the center of the tip is the apex, and around it, the primordia emerge. Each primordium moves away from the apex and eventually develops into a leaf or petal. Following their order of appearance, the primordia form a generative spiral. If you measure the angles between successive primordia, you find they are equal; their common value is called the divergence angle, and it measures about 137.5 degrees, which is 360 minus 222.5 degrees. It so happens that this angle is 360 degrees multiplied by , the ratio formed by successive Fibonacci numbers.
While many scientists have considered the subject of phyllotaxis too susceptible to mysticism and ("God-forbid!") nature worship, there are in fact labyrinthine interconnections among several phenomena studied by mathematicians and biologists: Fibonacci numbers, the Divine Proportion, parastichies, plant growth and shoot size, branching processes, primordia, divergence angle, spatial packing, and fractal geometry.
Regarding the Fibonacci number 5, there is a particular preponderance of pentagonal symmetry in living organisms, especially in botany and among marine animals such as starfish, jellyfish, and sea-urchins. Noted among the five-petalled flowers (or multiples of five) are all fruit blossoms, water-lilies, roses, honeysuckle, geraniums, marshmallows, campanulas. Pentadactylism (five fingers, or corresponding bones) is common in the animal kingdom. According to one authority on sacred geometry, five is the number of petals on all flowers of the edible fruit-bearing plants:
"Thus, five signals to man his proper foods. Five is dominant in the substructure of living forms, while 6 and 8 are most characteristic of the geometry of mineral, inanimate structures. The plants displaying a sixfold structure, such as the tulip, the lily and the poppy, are very often poisonous or only medicinal for man. Traditional medicine considered seven-petalled plants to be poisonous. Among these are the tomato and other plants of the belladonna or nightshade family. The very exotic flowers, on the other hand, the flowers of love such as the orchid, the azalea and the passion flower, are all governed by pentagonal symmetry."[36] This is why the Pythagoreans considered five to be a number of life and health. The awareness of sacred time, the harmonious concordance between heaven and earth, has formed the basis of agricultural cycles in all traditional societies. We moderns have lost this sense of this sacred connection, which is not surprising since the average modern person can now acquire all manner of "fresh" produce out-of-season. The question is, can you trust a tomato in January?[37]
Dr. J. William Littler wrote a paper entitled "On the Adaptability of Man's Hand," where he suggests that the human hand is composed of finger bones that represent the Fibonacci sequence. Measured in centimeters and starting with the metacarpal and working out to the finger tip, the bones average 8.8, 5.5, 3.3, 2.2. This predominance is a definite characteristic of living forms, and pentagonal forms do not and cannot appear among inorganic, crystalline systems.[38]
Why do living things grow this way, in mathematical patterns? Scientists have often rephrased this question, as Dick Teresi did in The God Particle, "Why does nature choose math as its language? Why is it that the overarching principles of the universe can be broken down into equations?" Such wording can only arise from a distorted anthropocentric approach which puts the cart before the horse. But Western Science often gets things (literally) ass-backwards, like a current editor of The Scientist who wrote that "the tendrils of some vines mimic the coil springs of a car."[39] -- Vines mimic cars? Obviously, nature was here first, and mathematics was a later invention, evolved and refined through the human attempt to perceive nature.
Botanists do not agree on a scientific explanation for phyllotaxis, despite the mathematicians' fascination for numbers involved. There is no doubt, however, that people down through the ages have observed and worshipped the spiral growth in nature. The beauty we admire in ancient Minoan art, for example, is based almost entirely on organic spiral forms.
We find a great deal of evidence for nature worship in etymology. Words like heliotrope (sunflower) derive from Greek words meaning "sun turning." From the same root comes the word helix, meaning "a whorl, curl, or spiral," which has been adopted as the name of the genus of land-snails. We are also reminded of double helix, the DNA term that holds the secrets of identity for living things. Just as the flower symbol was used by Mesoamericans to denote their calendrical "first day," we note that primrose (one of the 5-petaled flowers and one of the earliest to appear) is derived from the Latin prima, meaning "first." The daisy, another Fibonacci flower, is a word derived from the Saxon words for "day's eye." The cosmos, an 8-petaled flower, is named for a word meaning "order."[40]
Regarding the worship of nature, there is certainly something to be said for the act of meditating upon "the most irrational number." We might follow the example of the 17th century poet Richard Lovelace and admire the "Sage snail, within thine own self curled." Or, as one 17th century scholar put it, "From the contemplation of Plants, men might first be invited to Mathematical Enquirys."[41]
In the spirit of this advice, we can compare the development of Mesoamerican and Western European mathematics, and note a general philosophical difference. Mesoamerican mathematics evidently paid greater attention to numbers associated with organic growth, while Western mathematics became rather more fixated on the numbers associated with crystalline growth -- "crystalline numbers" which have been subsequently used by scientists to describe an organic world, rather like forcing a square peg into a round hole. The Divine Proportion and the progression of the Fibonacci series are better suited to describing organic growth because they have the property of producing simple addition, the accretion of identical parts, or a succession of similar shapes, what has been called "gnomonic growth."[42]
The respected naturalist Sir D'Arcy W. Thompson pointed out that "the shell, like the creature within it, grows in size but does not change its shape. The existence of this constant relativity of growth, or constant similarity of form, is of the essence." In other words, the very shape of the logarithmic spiral enables growth to occur without any change in form.[43] The spiral formed by living things is genetic or developmental, and crystallographic symmetry is absent in spiral phyllotaxy.
The gnomonic type of growth, from the inside outwards, is associated with living organisms and allows greater movement potential, whereas in crystals the growth is by agglutination, or simple addition from outside inwards, and the final distribution of energy in the system being such as to cause no further motion. This comparison implies that immobility is created through the crystalline number system of Western mathematics and could therefore be potentially the final product of Western culture. Perhaps this is what Ian Stewart meant when he called for the development of a new kind of mathematics that can explain the patterns in nature, complaining that our mathematical schemes are "too inflexible, geared to the constraints of pencil and paper."[44]
Modern science is equipped with the kind of thinking which rests on analytical mathematics and has produced the so-called "miracles" of technology. But the successes resulting from the use of analytical mathematics have eclipsed other ways of mathematical thinking. To transform one's thinking beyond the inflexible world of measurement requires the development of an awareness that is independent of the laws manifest in the material world. To quote Rudolf Steiner, "The highest level of individual life is that of conceptual thinking without reference to a definite perceptual content."[45] The act of contemplating Infinity is one way to transform thinking, and this can be performed by meditating upon the logarithmic spiral.
Remember that multiplication is really a special form of addition, and PHI represents a coinciding of the processes of addition and multiplication. What was a linear accumulation suddenly becomes a square (  + 1 = 2 ), and there is a leap of growth. In the plant, the simple additive growth in the stem suddenly erupts into a flower. When such a moment occurs in the context of spiritual development, it is called enlightenment. In our brains, the additive accumulation of data suddenly blossoms into a genuine understanding. There is a development from points to lines to planes, and finally, to volume. This is demonstrated by simultaneously adding and multiplying in the mathematical equation:[46]
 + 2 = 3 = x 2
Euclidean deductive geometry is directed towards measurement between points and is thus closed to the concept of infinity, whereas Projective Geometry is based on the idea of relations between ideal planes and thus opens the thinking. For example, compare two types of spiral. In the first case there is a spiral staircase, which is built on the principle of the Archimedian screw (useful for technology but never found in living forms). The other is, of course, the logarithmic spiral based on the Fibonacci sequence or PHI. Ideally this spiral is posed between two infinitudes; it curves on and on towards inner and outer points that it will never actually reach. The preponderance of Fibonacci/PHI spirals in nature offers a multitude of opportunities to discover infinity, and thus, divinity.[47] In this regard, we quote from William Blake, with italics to emphasize the Fibonacci significance:

To see the world in a grain of sand,
and a heaven in a wild flower;
Hold infinity in the palm of your hand,
and eternity in an hour.

We have travelled far from Fibonacci and PHI to phyllotaxis and finally, to philosophy. Plato described this same journey in the following way. "The sight of day and night, the months and the returning years, the equinoxes and solstices, has caused the invention of number, given us the notion of time, and made us enquire into the nature of the universe; thence we have derived philosophy."[48] We have seen that organic, developmental numbers are commonly associated with living, moving forms in nature. It is logical in our progression of thought to suggest that moving forms such as astronomical cycles may also be expressed by the organic numbers of the Fibonacci sequence. What Luca Pacioli revealed in De Divina Proportione can be applied to astronomy, and without crystalline numbers.

Luca in the Sky, without Diamonds
Let us look at the dynamics of the solar system, which is full of resonances or patterns of relationship created by interlocking cycles, whereby moving bodies take up the same relative positions at regular intervals. The sidereal periods of all the major planets are approximately in resonance, which means the relationship between their motions can be expressed as a ratio of whole numbers, usually in the Fibonacci sequence. For example, it takes Saturn 29.5 years to circle the sun, while Jupiter takes almost 11.9 years. Twice the Saturn cycle is about equal to five times the Jupiter cycle, so the ratio of these two cycles is 2:5. Numerous other planetary ratios are formed with the Fibonacci numbers -- Pluto/Neptune is 2:3, Earth/Venus is 3:5, Mars/Mercury is 1:8, and so on.[49]
The different kinds of motion of the planets can also be in resonance with each other. For example, Mercury rotates once every 58.65 days and revolves around the sun every 87.97 days, forming a resonance of 2:3 (2 x 87.97 = 3 x 58.65). There is a similar relationship between the earth's tropical year and the rotation of Venus. Venus rotates with a sidereal period of 243 days, forming a close 2:3 ratio with the earth's revolution (243 x 3 is close to 2 x 365).[50] And the daily cycle on Venus is 117 earth days, almost equal to one synodic period of Mercury.
There is also the principle of Bode's Law, which can be understood in terms of the Divine Proportion. Bode's Law states that the mean distances of the planets from the sun are proportional to the squares of simple integral numbers, and is usually expressed as
0.4 + (0.3 x 2n)
where n is the number signifying a planet's position from the sun. But substituting  will also produce close approximations where n is planets beyond earth:

0.4 + (0.618 x 2n)

Modified (Fibonacci) Version of Bode's Law
Planet Bode's Law Distance
(a.u) Modified Bode
Distance Actual
Distance
Mercury 0.4 + (0.3 x 0) = 0.4 0.39
Venus 0.4 + (0.3 x 20)= 0.7 0.72
Earth 0.4 + (0.3 x 21) = 1.0 0.4 +(0.618 x 20) = 1.018 1.0
Mars 0.4 + (0.3 x 22) = 1.6 0.4 +(0.618 x 21) = 1.636 1.52
Asteroids 0.4 + (0.3 x 23) = 2.8 0.4+ (0.618 x 22) = 2.47 2.8
Jupiter 0.4 + (0.3 x 24) = 5.2 0.4+ (0.618 x 23) = 5.34 5.2
Saturn 0.4 + (0.3 x 25) = 10.0 0.4+ (0.618 x 24) = 10.28 9.6
Uranus 0.4 + (0.3 x 26) = 19.6 0.4+ (0.618 x 25) = 20.176 19.2
Neptune 0.4 + (0.3 x 27) = 38.8 0.4+ (0.618 x 26) = 39.95
Pluto 39.5
While astronomers complain that Bode's Law is "not of precise physical significance," they have still been goaded by its challenge, to question whether the distribution of planetary orbits is due to chance, or to some "real" physical principle.[51] Bode's Law is, like the equation of PHI, a formula that cannot be "explained" scientifically; it offends many scientists because it is numerological (mystical) and yet it works, for it was responsible for at least three valid predictions. The discovery of both Uranus and Ceres conformed to the formula, and recognition of a similar law led to the discovery of Saturn's moon Hyperion. The validity of Bode's Law has been supported by computer simulations of the N-body problem which have shown that arbitrary planetary configurations, started with purely random initial positions and velocities, tend to "relax" after thousands of years into a Bode's Law-type of resonant configuration.[52]
Paul Jacques Grillo, author of Form, Function, and Design, has also found evidence of the golden mean in the distribution of planets. He suggests that such a "coincidence" (he uses quotation marks) may offer a clue to the evolution of the solar system, that current elliptical paths evolved from the original form of a log spiral. Swedish astronomer Carl-Gustav Danver studied the characteristic shape of the great galaxies of outer space. He reported that the predominant appearance is that of logarithmic spirals.[53]
The subject of orbital resonance is indeed directly related to the initial formation and composition of the solar system, the question of origin for the known planets and asteroids. Astronomers have been slow to recognize that the solar system is not orbitally stable, but instead is "in process." They have thus denied Immanuel Velikovsky's theories about Venus being a newcomer to the solar system and have similarly rejected postulations about "missing planets" or a hypothetical planet beyond Pluto.[54] Appropriately for our discussion of Mesoamerican astronomy, one astronomer has proposed a now-missing planet, originally located in the asteroid belt, whose explosion produced the current configuration. He called the planet Aztex.55
Astronomers are reluctant to recognize Bode's Law as a "real" principle, and botanists are uncomfortable with the "magic" of Fibonacci-related phyllotaxis. This is because Western Science cannot be satisfied that something works without explaining the material cause in scientifically-acceptable terminology. The Mesoamericans, on the other hand, were quite content to make monumental achievements without obsessing over causative principles.
Kepler expressed this in his rejection of atomism: "The cause is not to be looked for in the material, but in an agent." Instead of seeking the causes of material phenomena deep down in the structure of matter in ever-smaller sub-units, Kepler, like Gregory Bateson, looked for patterns and principles. Modern science, on the other hand, continues to ask why plants or planets do what they do, and continues to break down the world into more and more microscopic levels as molecular, atomic, subatomic, cellular, nuclear, and DNA, ad infinitum. We suggest that all this academically-funded busywork must eventually reduce to a final cause called "because that's the way it is." Or better yet, and even more offensive to scientists, "because the gods made it that way."
Kepler's terminology for this final agent was the Facultas Formatrix, the formative faculty, a morphogenic principle responsible for all organic and inorganic shapes in nature, from snowflakes and planetary orbits to plants and animals. As Kepler explained it, this was due to the Creator's design; things were shaped a certain way because "it is in their nature to do so." Modern scientists are violently opposed this kind of thinking, claiming there is no predictive power in this conclusion. There is an inconsistency involved here about the predictive value of mathematics, for common sense dictates that you don't need to understand underlying principles in order to use them, as we have seen with Bode's Law. If a portion of a pattern has been observed and the symmetry is either known or suspected, the whole can be predicted. Accepting such a precept and rejecting atomism would not only put a lot of scientists out of work, it would suggest that time might be better spent in applying what obviously works and in worshipping nature; i.e., doing what every known culture but our own modern one has done.

Fibonacci-Related Images in Maya Culture and Hieroglyphics
Let's look closer at how the Mesoamericans applied and worshipped the spiral principle. The Maya inscriptions include a great number of images of spiral growth patterns from nature, including the shell, which was used in inscriptions to indicate "zero."
The cipher (nought, zero) and place numerations are such an integral part of our cultural heritage and are such obvious conveniences that it is difficult to imagine mathematics without them. Yet they were a late development in European mathematics; the ancient Greeks and Romans had no knowledge of "zero" or place numeration, but the Maya did. This is one of the reasons they could excel at long calculations. Once you have a cipher and a system of place notation, long problems in simple arithmetic become infinitely easier, and it doesn't matter whether the system is decimal, vigesimal, or whatever. The Maya system was not decimal but vigesimal, counting by 20s.
Maya numbers were placed in vertical lines, with space fillers somewhat analogous to our "zero," but which did not mean "nothing." Rather, the space filler-cipher meant "completion." And the completion symbol most commonly used was a shell. This is rather interesting, considering the fact that many shells are formulated according to the divine proportion, or Fibonacci sequence. Among those that build their tiny bodies in a logarithmic spiral are the globigerinae, planorbis votex, terebra, turritellae, trochida, and the common snail.[56] The chambered nautilus is a spectacular example and the one most commonly used to illustrate how the Divine Proportion appears in nature. It belongs, incidentally, to a group of mollusks that include the 8-tentacled octopus. Outwardly it resembles the univalves, but the animal inside is more like an octopus.
While several Mesoamerican scholars (Seler, Forstemann, Tozzer) have recognized the snail shell as a symbol of birth, David Kelley believes that it means "emergence."[57] He notes a repetitive representation at Palenque of a snail shell with God K and the Corn God emerging from the shell. The three appear together with a 1-Ahau date, and Kelley further notes that One-Flower is associated with the Corn God and is also associated elsewhere with the birth date of God K.
The day Kan (the snake) is represented by a glyph which has been identified as a shell. The Yucatec word kan can be translated as "shells or stones used as money." Kelley points out that the Kan glyph shows a decided similarity to the "shell variant" of the kin glyph. Mesoamerican scholar Thompson suggested that the kin (day, sun) glyph represents a five-petaled flower converted to four petals, because four is the number of the Sun God (Four-Ahau). His first opinion was that it was the five-petaled tobacco flower, but he later decided it was the five-petaled Plumiera, a flower of great religious importance in Mesoamerica, which in Maya is known as nicte. Interestingly, this is close to the word nicotine, which is believed to be adapted from the name of an ambassador, Jean Nicot, who introduced tobacco into France in 1560.[58] We have to wonder about the true origin of many New World plant names, however, which is often found in the native languages.
One particular example of word origin is very revealing for our discussion here. We have the word pineapple because the Spanish recognized that this New World plant resembled the pine cone; they called it piña de Indias. But how does a pineapple resemble a pine cone? The only visible similarity is the identical Fibonacci whorls of 8:13.
Spirals associated with Fibonacci numbers are found in some groups of cacti, where the 3:5 ratio appears as bijugate spirals in paired parastichies of six and ten.[59] The prickly pear cactus, incidentally, has been cultivated for its fruit in Mexico for over six thousand years, and is called tuna.60 Is it coincidental that the Maya glyph for tun was used to designate the last day of any period? In Yucatec, tun means "stone," possibly referring to stones used to count intervals in a cycle.[61] The connection is not unlike our own word calculus or calculate, which derives from the Latin word for pebble, used by the ancients for counting.
Although the study of Maya inscriptions is quite complex and not easily understood, we suggest that the scholars who attempt to decipher inscriptions should take the Fibonacci theory into account. Is it really just coincidence that there are so many Maya glyphs for Fibonacci objects in nature that are associated with numbers and calendrical cycles? One Mayan glyph is known to represent a shell and has been connected with the bar used for the number five, which one scholar has compared with hub, meaning "large sea shell," and is not unrelated to the word haab which refers to the year. Another glyph, naab, representing the five-fingered human hand, was used in the Venus table of the Dresden Codex, and we know that five is an important number for Venus and divides 360 days into 5 x 72. One meaning of the word naab is "to measure," much like we use the word "hand" as a measure of height for horses. A different hand glyph has been read as ka, which we know as part of the word katun, a measurement of 7200 days. The hand glyph is also read as lah, which has been associated with an inverted ahau glyph, and has been read as "end, die" in the compound word for numbers above ten,[62] as well as "completion" in counting cycles.[63] There is also a glyph called the "shell star" which appears often in Mesoamerican inscriptions where planetary cycles are interconnected. This topic of astronomical glyphs has been studied in great detail by David Kelley.[64]
If we examine Maya inscriptions, we find other evidence that implies an understanding of the Fibonacci numbers. The ancient Mesoamericans viewed the cosmos as a layered universe. The heavens were conceived of as thirteen in number, with the earth included as the first layer. There was also a nine-layered underworld, beginning with the earth again as the first layer. This is depicted on page 2 of the Codex Vaticanus A.65 This is one of the examples of the use of the Fibonacci numbers 8, 13 and 21. There are 21 "worlds," when the earth is "counted" twice as the first world. (We note that the number one appears twice at the beginning of the Fibonacci series). There is evidence that the Maya also expressed the day as having 13 hours of daylight (the Thirteen Birds of the Day) and 9 hours of darkness (The Nine Lords of the Night).[66]
Flowers are one of the most consistent expressions of the Fibonacci sequence in nature, and they also form some of the most important symbols in Mesoamerican writing, mythology, and calendrics. The sunflower held a particularly important place in ancient Mexican mythology. When the Spaniards arrived in the New World, they found the sunflower serving in the temples as a sign and a decoration, and the sun-god's officiating handmaidens wearing upon their breasts representations of the sacred flower in beaten gold.[67]
As described earlier, the special name-day which began the sacred calendar was 1-Ahau, also called One-Flower, while the day that began and ended the great cycle was Four-Flower. The word Ahau means Lord and refers to the Sun, while the glyph used to represent it was a flower.
That the Mesoamericans would link flowers with astronomical cycles should not seem so surprising to us, since using flowers to mark time has had a long, though obscure, history in Europe. One 18th-century astronomer, Jean-Jacques De Mairan, noted that the opening and closing of certain "sensitive plants" followed a specific daily rhythm, and he linked this to the sun's influence. A similar observation had been made by a general in the travelling army of Alexander the Great. The great Swedish naturalist Carolus Linnaeus planted a timekeeping garden which he called "Flora's Clocks." The flower beds were laid out to form a clock face, with each bed representing a different hour of the day and planted with flowers that were known to open or close at certain times.
It is not only the circadian rhythm that is evident in plants, but also longer cycles. For example, there is a species of bamboo in Argentina which has a very precise life pattern -- exactly 30 years from seed to seed. And botanists have discovered that it is not only daylight which regulates the rhythms of plants; a number of experiments have shown that the length of night is just as important as the length of day. The chrysanthemum, for example, requires an uninterrupted period of about 13 hours of darkness (an autumn night) before it will flower. Ragweed cannot begin its flowering process until the summer nights have lengthened to about nine and a half hours.
Finally, and most relevant for our discussion here, there is the 260-day calendar, which we have shown to be based on Fibonacci numbers. There have been many theories that attempt to explain the origins of the 260-day cycle, and most of them show the connection with natural cycles. For example, the cycle of seed-to-harvest for certain types of corn grown in Guatemala is about 260 days. In the Dresden Codex, there are 258 days between Venus rising as an evening star and its emergence as a morning star, a period which correlates with the Aztec myth of Quetzacoatl's journey to the underworld. Perhaps the most significant correspondence is the period of human gestation. Nine lunar months are approximately equal to 260 days. One Mayan scholar discovered that some modern Mayan people explicitly state the human gestation period as the explanation for the origin of the tzolkin.68
Conclusions
When we study the "facts" of Mesoamerican mathematics-calendrics, we cannot avoid realizing the mystical nature of life. To those who would deny the synchronicity, the great Mayan scholar J. Eric S. Thompson wrote, "One must appreciate the impact of the divinatory aspects of the 260-day Sacred Almanac, and never lose sight of the fact that the ends of Mayan astronomy were not scientific, but astrological....Mayan astronomy is too important to be left to the astronomers."


We have seen that the numbers produced by the Fibonacci sequence offer a numerological key to the inter-relationships between man and the cosmos. The ancient Mesoamericans evidently recognized the correlations between biological processes, agricultural cycles, and timing of astronomical events, and they created a mathematical system that could express these connections -- a system that emphasized what we call Fibonacci numbers.
References


[1]Vincent Malmstrom, "Origin of the Mesoamerican 260-Day Calendar," Science, Vol. 181 (Sept. 7, 1973), pp. 939-940; and "A Reconstruction of the Chronology of Mesoamerican Calendrical Systems," Journal of the History of Astronomy, Vol. 9 (1978), pp. 105-116.
[2]J. Eric S. Thompson, The Rise and Fall of Maya Civilization (Univ. of Oklahoma Press), pp. 148-149.
[3]John Teeple. Maya Astronomy. Carnegie Institution of Washington, Publication 403, Contribution 2 (1930), pp. 94-98. This was confirmed by J.E.S. Thompson in Maya Hieroglyphic Writing: An Introduction. Carnegie Institution of Washington, Publication 589 (1950), pp. 226-227.
[4]A.M. Tozzer. Landa's relacion de las cosas de Yucatan. Papers of the Peabody Museum, Harvard Univ., no. 18 (1941), p. 133.
[5]Sharon Gibbs, "Mesoamerican Calendrics as Evidence of Astronomical Activity," in Native American Astronomy (ed. Anthony Aveni), Univ. of Texas Press (1977), pp.30-31.
[6]J. Eric S. Thompson, The Rise and Fall of Maya Civilization (Univ. of Oklahoma Press), pp. 152 ff..
[7]Michael Coe, "Native Astronomy in Mesoamerica," in Archaeoastronomy in Pre-Columbian America (ed. Anthony Aveni), Univ. of Texas Press (1975), pp.11-12.
[8]David Kelley and K.A. Kerr. "Mayan Astronomy and Astronomical Glyphs," in Mesoamerican Writing Systems (ed. E. P. Benson), Washington, D.C.:Dumbarton Oaks (1974), pp. 179-215.
[9]Astronomical Almanac for the Year 1989. Washington, D.C.: Government Printing Office (1988).
[10]For suggestions on the Gregorian leap year determination, see Noel Swerdlow, "The Origin of the Gregorian Calendar," Journal for the History of Astronomy (1974), pp. 48-49; Jeffrey Shallit, "Pierce Expansions and Rules for the Determination of Leap Years," Fibonacci Quarterly (Nov. 1994), pp. 416-423; Jacques Dutka, "On the Gregorian Revision of the Julian Calendar," The Mathematical Intelligencer, Vol. 10, No. 1 (1988), pp. 56-64; and V. Frederick Rickey, "Mathematics of the Gregorian Calendar," The Mathematical Intelligencer, Vol. 7, No. 1 (1985), pp. 53-56.
[11]Gordon Moyer, "The Gregorian Calendar," Scientific American (May, 1982), p. 151. Such extrapolations are uncertain. As one calendar scholar remarked, "For one thing, the way in which Earth's rotation varies is not well understood. For another, the computations depend on Simon Newcomb's value of the length of the tropical year, which may not be correct." (Charles Kluepfel, "How Accurate Is the Gregorian Calendar?" Sky and Telescope, Nov. 1982, p. 418)
[12]The process used here is similar to a proven method for creating pi ( [pi] ):
[pi] = 1 - 1/3 + 1/5 - 1/7 + 1/9 - 1/11 + 1/13 - 1/15 .....
[13]John Major Jenkins, Tzolkin: Visionary Perspectives and Calendar Studies, Borderland Science (1994).
[14]Munro Edmunson, The Book of the Year. Univ. of Utah Press (1988), p. 112.
[15]Ibid., p. 114.
[16]A. Seidenberg, "The Zero in the Mayan Numerical Notation," in Native American Mathematics, ed. Michael Closs, Univ. of Texas Press (1986), p. 380.
[17]Caleb Bach, "Michael Coe: "A Question for Every Answer," Americas (Jan/Feb. 1996, pp. 15-21.
[18]Barbara MacLeod, "The 819-Day-Count: A Soulful Mechanism," in Word and Image in Maya Culture: Explorations in Language, Writing, and Representation (ed. William Hanks and Don Rice), University of Utah Press (1989), pp. 112-126.
[19]R. L Roys, The Book of Chilam Balam of Chumayel, Univ. of Oklahoma Press (1967).
[20]J. E. S. Thompson, Maya Hieroglyphic Writing: An Introduction, Univ. of Oklahoma Press (1950), p.248
[21]MacLeod, p. 116.
[22]Bruce Scofield, Signs of Time: An Introduction to Mesoamerican Astrology, One Reed Press (1994), p. 220; and David Kelley, "Mayan Astronomy and Astronomical Cycles," in Mesoamerican Writing Systems, ed. Elizabeth Benson, Dumbarton Oaks (1973).
[23]Gregory Bateson, Mind and Nature: A Necessary Unity. Bantam (1988), p. 9.
[24]Rollo May, "Gregory Bateson and Humanistic Psychology," Journal of Humanistic Psychology, Vol. 16, No. 4 (Fall 1976), p. 40.
[25]William Hoffer, "A Magic Ratio Recurs throughout Art & Nature," Orion (Winter 1985), p. 31.
[26]Bruce Scofield, Signs of Time: An Introduction to Mesoamerican Astrology, One Reed Publications (1994), p. 207.
[27]The Sand Dollar and the Slide Rule, p. 99.
[28]Randy Moore, The Numbers of Life.
[29]See Kepler's The Six-Cornered Snowflake and Harmonices Mundi Libri V.
[30]Edmund Sinnott, Plant Morphogenesis, Krieger (1979), p. 165.
[31]Hoffer, "A Magic Ratio," Orion (Winter 1985), pp. 28-38.
[32]H.E. Huntley, The Divine Proportion: A Study in Mathematical Beauty, Dover (1970), p.162. See also Peter Stevens, Patterns in Nature, Atlantic Monthly (1974).
[33]Roger V. Jean, Phyllotaxis: A Systemic Study in Plant Morphogenesis, Cambridge Univ. Press (1994).
[34]Huntley, p. 163; Ian Stewart, "Daisy, Daisy, Give Me Your Answer, Do," Scientific American (Jan. 1995), pp. 96-99; D'Arcy Wentworth Thompson, On Growth and Form, Vol. II, Cambridge Univ. Press (1968), p. 930. Thompson's chapter "On Leaf-Arrangement, or Phyllotaxis" is particularly informative, pp. 912-933. See also Jay Kappraff, Connections: The Geometric Bridge between Art and Science, McGraw-Hill (1991).
[35]Huntley, pp. 164-165.
[36]Robert Lawlor, Sacred Geometry: Philosophy and Practice, Crossroad (1982), p. 58.
[37]Vince Staten, Can You Trust a Tomato in January: Everything You Wanted to Know (And a Few Things You Didn't) about Food in the Grocery Store, Simon & Schuster (1993).
[38]Matila Ghyka, The Geometry of Art and Life, Dover (1977), p. 18.
[39]John Carey, "Spiral Effect," National Wildlife (April/May 1989), p. 56.
[40]Stephen Potter, Pedigree: The Origins of Words from Nature, Taplinger (1974).
[41]Nehemiah Grew, The Anatomy of Plants (1682), p. 152, quoted in D'Arcy Wentworth Thompson, On Growth and Form, Vol. II, Cambridge Univ. Press (1968), p. 912.
[42]D'Arcy Thompson, On Growth and Form.
[43]Hoffer, "A Magic Ratio," p. 38.
[44]Ian Stewart, Nature's Numbers: The Unreal reality of Mathematical Imagination, BasicBooks (1995), p. 148.
[45]Rudolf Steiner, The Philosophy of Spiritual Activity, Anthroposophical Press.
[46]Robert Lawlor, Sacred Geometry: Philosophy and Practice, Crossroad (1982), p. 56.
[47]For more on this topic, see George Adams and Olive Whicher, The Plant Between Sun and Earth, Rudolf Steiner Press (1980).
[48]Plato, The Timaeus and the Critias, translated by Thomas Taylor, Pantheon (1952), p. 164.
[49]See A.E. Roy and M.W. Ovenden, "On the Occurrence of Commensurable Mean Motions in the Solar System," Monthly Notices of the Royal Astronomical Society, 114 (1954), pp. 232-241, and "The Mirror Theorem, Part II," MNRAS, 115 (1955), pp. 296-309.
[50]Fred Whipple, Orbiting the Sun: Planets and Satellites of the Solar System, Harvard Univ. Press (1981), p. 184.
[51]Valerie Vaughan, Persephone Is Transpluto: The Scientific, Mythological and Astrological Discovery of the Planet Beyond Pluto, One Reed Publications (1994), pp. 91-92.
[52]J.G. Hillis, "Dynamic Relaxation of Planetary Systems and Bode's Law," Nature, 225 (1970), pp. 840-842. This phenomenon was also foreseen by Ernest W. Brown (see his "Observation and Gravitational Theory in the Solar System," Publications of the Astronomical Society of the Pacific, 44 (1932), pp. 21-40).
[53]Hoffer, "A Magic Ratio," p. 36.
[54]See Valerie Vaughan, Persephone Is Transpluto.
55Michael W. Ovenden, "Planetary Distances and the Missing Planet," Recent Advances in Dynamical Astronomy, Reidel (1973), pp. 319-332.
[56]Hoffer, "A Magic Ratio," p. 34.
[57]David Kelley, Deciphering the Maya Script, Univ. of Texas (1976).
[58]Eric Partridge, Origins: A Short Etymological Dictionary of Modern English, Macmillan (1958).
[59]Edmund Sinnott, Plant Morphogenesis, Krieger (1979), p. 163.
60Robb Walsh, "Prickly Paradox," Natural History (June 1996), p. 62-65.
[61]David Kelley, Deciphering the Maya Script, Univ. of Texas Press (1976), p. 135.
[62]Kelley, Deciphering, p. 139.
[63]Kelley, Deciphering, p. 35.
[64]David Kelley, "Mayan Astronomy and Astronomical Glyphs," in Mesoamerican Writing Systems, ed. Elizabeth Benson, Dumbarton Oaks (1973).
65Michael Coe, "Native Astronomy in Mesoamerica," in Archaeoastronomy in Pre-Columbian America (ed. Anthony Aveni), Univ. of Texas Press (1975), pp. 7-8.
[66]Coe, "Native Astronomy," p.14.
[67]Mrs. William Starr Dana, How to Know the Wild Flowers, Dover (1963), p. 212.
68Barbara Tedlock, Time and the Highland Maya.
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    Re: PHI; The Golden Ratio in Maya Math

    Mon, November 7, 2005 - 12:05 AM
    the previous article is available at www.onereed.com/articles/vvf/fib.html
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      Re: PHI; The Golden Ratio in Maya Math

      Mon, November 7, 2005 - 12:08 AM
      The Mayan Venus Calendar and the
      Golden Proportion
      By John Major Jenkins
      ________________________________________
      The Mayan Venus Calendar - this is what my latest study is all about. It is called Tzolkin: Visionary Perspectives and Calendar Studies . I'll try to give an overview of this complicated subject, and then answer the inevitable question: "So what?"
      The ancient Maya tracked the morningstar risings of Venus, which occur every 584 days. Venus was the centerpiece of Mayan cosmology and mythology. They created a framework of cycles for predicting the future morningstar risings of Venus - for centuries to come. With this system, they could also predict solstice and eclipse dates. The two cycles involved in this "calendar" system were the vague year of 365 days (the haab) and the sacred cycle of 260 days (the tzolkin). These two cycles synchronize with each other every 52 years, and this period of time was known as the Calendar Round. The Venus cycle fits in nicely with multiples of the Calendar Round, such that all three cycles synchronize once every 104 years (2 Calendar Rounds). This was the Venus Round, and the sacred day which began the Venus Round was known as the Sacred Day of Venus. From evidence in the Dresden Codex, one of the few surviving Mayan books, we know that 1 Ahau was the traditional Sacred Day of Venus for the Maya. Linguistically, the word Ahau means Lord, Sun, or Marksman, implying that the three cycles are "shot forth" from the sun on this day.
      The Maya used this sacred framework of days to track the astronomical movements of Venus. Mythologies developed around Venus and the day-signs associated with its risings. The Popol Vuh of the Quiche Maya is one example of how the cycle of Venus was mythologized. In early Western civilization - in Mesopotamia - we know that Venus worship gave rise to astronomy, science, math and probably civilization itself. As did the Babylonian astrologers, gazing out from their ziggurats, the early skywatchers of Mexico noticed that 5 Venus cycles equals 8 years. This is just to say that if Venus emerged in the east as morningstar on, say, Christmas, then Venus would again emerge on Christmas eight years later. 13 of these Sun/Venus cycles equal one Venus Round. Another interesting fact related to this is that, because of this 8:5 ratio, Venus traces a five-pointed star around the ecliptic every 8 years. The occult symbol of the pentagram probably has its roots in the discovery of this fact in ancient Mesopotamia.
      The moon cycle was also incorporated into the Mayan Venus Calendar, by way of the 9-moon sacred cycle of 260 days. So this amazing calendrical system of the Maya structured the movements of Sun, Venus and Moon, the three brightest celestial lights.
      Unfortunately, the Maya were unable to perfect their Venus Calendar. A slight difference between the true cycle of Venus and the 584-day approximation employed by the Maya made long term predictions unreliable. The Maya had been collecting observational data and were working on this problem for many centuries by the time the Spaniards arrived in the 1500's. Around this time, the Venus tradition became fragmented and no Mayan groups surviving today follow a Venus Calendar. However, the basic framework Šof the 260-day and 365-day cycle (the tzolkin and haab) is still used by the Maya living in the Highlands of Guatemala.
      So what? Well, the Venus tradition is dead. But with the deciphering of the Dresden Codex and the acceptance of the standard count of days still used by the Guatemala Maya, we should be able to reconstruct and resurrect the Venus Calendar of old. And with modern data on the Venus cycle available, we could even perfect it! We may imagine this to be the central dream of the ancient Mayan skywatchers, to create a self-adjusting perpetual Venus Calendar. I have endeavored to do this in my book, and propose that the next Sacred Day of Venus to begin a 104-year Venus Round occurs on the Venus rising of April 3rd, 2001 A.D., which is the Sacred Day of Venus 1 Ahau. My argument is well documented and discusses various opposing viewpoints on the question. The value in doing this lies with the resurgence of interest in Gnostic beliefs and Goddess Religions. As we know, civilization itself was spurred forth by the goddess - the study of the Venus cycle in ancient Babylonia. And now, with patriarchy running its course, perhaps it is time again to get in touch with our roots. The practical Venus Calendar I propose can be followed for some 2500 years with great accuracy, and is based upon the system of the Dresden Codex.
      That covers the academic facet of my book. In the second section, "Visionary Perspectives," the more magical and mysterious properties of the Sacred Calendar are explored. This involves elucidating its essential structure and meaning. And what an amazing accomplishment it was! Some say that it arose simply to structure the planting and harvesting of crops - and indeed, this it does. But so many planetary cycles fit neatly into the system, and at the same time the 260-day cycle is said to correspond with the 260-day human gestation period! It is really an amazing cosmology of numbers, having uses on many different levels of reality. How can it have such universal appeal? The second part of my book answers this two-part question: What is the essential nature of the Sacred Calendar and to what does it owe its amazing properties? In the end, I relate the findings by which I conclude that the Golden Proportion, which gives rise to the spirals of seashells, pinecones, and DNA, is the core of the Sacred Calendar. This is true for numerological as well as philosophical and cosmological reasons. I will relate this in brief:
      On one level the Calendar is an oracle used in divination. The 13-day periods, 20-day periods, along with other cycles of 260 days, 52 years and 104 years all make up the Venus Calendar system. And yet, the mystery is compounded because the ritual days are also used in casting auguries. In this way it is similar in function to the I Ching, the 64-hexagrams of the ancient Chinese Book of Changes.
      The I Ching is a philosophy which explains the emanation of the world from the Tao and the primary duality of yin and yang. It does not focus so much on objects, but rather the process of change which "objects" undergo. As the world emerges, phenomena differentiate into 2, 4, 8, 16, 32, and 64 stages. This is called an exponential expansion, and is one model of terrestrial evolution. Yet a different factor needs to be considered - the involution process. This consideration allows for the apparent fact that there is a direction to the phenomenal evolution around us, that an inward dimension and its unfolding must be accounted for. This is just to say that spirit is the flower of the terrestrial process. Earth gives birth to spirit. While some readers may have objections to this, I don't have the space here to elaborate, so let's just assume that Darwin was either partly wrong, or that consciousness is the ultimate adaptive strategy . Now the I Ching only describes change - an endless, natural flow of forces, one giving way to the next - an ever repeating phenomenal flux in 64 stages. The I Ching, incredible though it is, is somehow lacking in its role as a cosmological model.
      The Golden Proportion is the key to a fuller understanding of phenomenal unfolding - for it manifests in organic forms such as seashells and pinecones, as well as our own DNA. The involuting spiral of consciousness - the unfolding of the spiritual flower - this is what the Golden Proportion describes. Yet, the I Ching is fortunate in that it has a philosophical number scheme that goes with it; it has the 8 trigrams and the 64 hexagrams to encode and make known its secret workings. The Golden Proportion, being essentially a ratio usually approximated as 1.618, does not have a conventional system of numbers to encode its workings. Or does it? What if we combine the spiral unfolding of the Golden Proportion (PHI=1.618) with the exponential expansion of the I Ching? This is what we get:
      2 x PHI = 3.25 8 x PHI = 13 32 x PHI = 52
      4 x PHI = 6.5 16 x PHI = 26 64 x PHI = 104
      These are all the essential numbers of the Mayan Venus Round system! So it seems that the Maya were able to intuit the profound workings of the Golden Proportion and transform it into an incredible cosmological system, having biological, mythological, spiritual, occult, calendrical, astrological and astronomical uses. The simple table given above contains profound implications, and with it the essential nature of the Mayan Venus Calendar becomes a bit more clear. The Sacred Calendar is such a rich vein of hermetic and esoteric truths that I find it hard to imagine that it is not the focus of greater interest. The reason for this, I believe, is that there has been some amount of disinformation and confusion about its nature. I hope that my book is a step towards clarifying the problem, so that we can celebrate and embrace the profound implications of this work of Native American genius
      ……………………………………….

      < a note that the inclusion of the i-ching in this article is not really necessary in making the point, as the maya used a vigesimal (base 20) numerical system that functions in the same way as the i-ching in the following way: 20 x 20 = 400 ; 400 x 400 = 8000 ; 8000 x 20 = 160,000 ; 160000 x 20 = 3,200,000 ; 3,200,000 x 20 = 64,000,000. ~TreeFrog >
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        Re: PHI; The Golden Ratio in Maya Math

        Mon, November 7, 2005 - 12:10 AM
        mayanastro.freeservers.com/01anshen2.HTM

        by Dr. Frederick Martin

        During the Classic period of Maya civilization, which began around 250 A. D. in central America, a calendrical system, which was much older than that in its development and use, employed two intervals of time simultaneously in its articulation of the solar year which were divided into groups of 260 and 360 days respectively. The first group of day-names was called the tzolkin and was counted by combining 13 numerical coefficients with 20 names (13 x 20 = 260) in continuous and unbroken sequences over a long period of time. A second group of day-names, called the tun, was created by counting 18 months (uinal) with 20 days (kin), and/or numerical coefficients, in each one (18 x 20 = 360). An additional 5 days, called uayeb, were added to the 360-day interval to bring it into closer correspondence to the solar year which is 365.2422 days in length. This secondary interval of 365 days was called the haab. In actual calendrical practice, the Maya counted days by combining the 260-day interval with the 365-day interval in continuous and unbroken sequences which did not repeat a combination of tzolkin and haab designations for 18,980 days. This interval is referred to as the Calendar Round (CR).
        An additional method of counting time, and one which directly utilized the 360-day interval of the tun, in place of the haab in the CR, was also employed by the Classic period Maya. This interval, known today as the Long Count (LC) notation, was composed of a five-place notational structure (written as 9.16.4.10.8, for instance), which accumulated a total of 1,872,000 days before it reached one terminal point and began over again, without pause or interruption, for yet another sequence. Calendar Round day-names were used in conjunction with the LC notation in exactly identical and repetitious sequences. The 360-day interval in the above example is represented by the number in the middle place (4) and signifies at total of 4 x 360 days (1,440). The sequence of Maya days began at a temporal position expressed as 13.0.0.0.0 4 Ahau 8 Cumku and ended when the count reached 13.0.0.0.0 4 Ahau 3 Kankin, 1,872,000 days later. Again, in the example above, 9.16.4.10.8 12 Lamat 1 Muan occurred 1,412,848 days after the initial date at 4 Ahau 8 Cumku. This interval is computed by adding the values in each place; that is, 9 x 144,000 + 16 x 7,200 + 4 x 360 + 10 x 20 + 8 x 1 = 1,412,848 days. Every day in the Maya LC notation can be computed using these constants (144,000, 7,200, 360, 20, 1 respectively) to determine its temporal location relative to the zero base-day at 13.0.0.0.0 4 Ahau 8 Cumku.
        That this calendrical system is essentially harmonic in its structure can be verified from the fact that the relationship between 260 and 360 preserves a ratio between its extreme and mean segment equivalent to an ideal or absolute value of .61803403. The actual ratio here varies from .625 (100 divided by 160 = .625) and/or .6153846 (160 divided by 260 = .6153846). The system works harmonically in the Calendar Round, as it were, where the day-names are actually combined, by virtue of the fact that the counting of the first 365-day interval consumes the first 260-day period plus the next 105 days of the second 260-day interval. Since the uayeb days are parenthetical, and not considered by the Maya to be named days (where uayeb actually means nameless day), the split between tzolkin (260) and tun (360), in the LC notation, falls at 100/160, which calculates to a ratio of .625. The next 160 days, used to complete the second almanac and begin the count of the second haab (or tun), splits at 160/260, which calculates to a ratio of .6153846. Looking at this same structure in a slightly more sophisticated way, the interval of the Calendar Round, 18,980 days, where the actual day-names of the two systems are actually combined over time, the interval counts 52 x 365 days in the haab, and 73 x 260 days in the tzolkin. With respect to the tun, however, the same interval accumulates 52 x 360 + 260 days. Hence, when the end of the CR sequence is reached, the same ratio between 260 and 360 is recapitulated both to preserve the essential ratio and to begin its progress through the calendrical system yet again. In other words, the ratio between 100/160 exists at both the beginning and end of the Calendar Round sequence to perpetuate its existence forever (through 1,872,000 days) as time passes and is counted by the Maya system.
        This calendrical structure is harmonic because it exactly matches the extreme/mean ratio of Classic Greek geometry, which was given by Euclid in Book VI, Proposition 30 of The Elements: "To cut a given finite straight line in extreme and mean ratio." In this example of the harmony, the lesser segment (100) divided by the mean segment (160) is equal to the mean segment (160) divided by the extreme segment (260), where the first value (.625) is more than the ideal value of the ratio (.61803403) while the second one (.6153846) is less than that same ideal. To say these two values are not equal merely quibbles over a difference between .007 and .003 of real space and time.
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          Re: PHI; The Golden Ratio in Maya Math

          Mon, November 7, 2005 - 12:11 AM
          mayanastro.freeservers.com/01ha...s.HTM
          < follow this link to view images referenced in the following text. >

          Maya Calendrical Harmonics. (03/07/2001)
          By Dr. Frederick Martin
          ________________________________________
          As I have noted elsewhere (Ruth Nanda Anshen: The Fallacy of Opposition in Western Ideology), the Maya created a calendrical system that depended on the extreme/ mean ratio for its articulation of time. Since the ratio itself is harmonic, any numerical system, like the one found in the Maya calendar, that adheres to its basic principles will necessarily recapitulate both the ratio itself and the harmony it expresses at the same time. As I noted in the previous discussion, when the day-name sequence of the Maya tzolkin (260) is counted in conjunction with the interval of the tun (360), as the Maya always did during the Classic period, the two intervals naturally and precisely express a primary relationship that splits between values that preserve the terms of the extreme/ mean ratio. This is true because the day-names of the first Maya tzolkin are matched with the first 260 days of the tun, which fact leaves a remainder of 100 days from the second tzolkin that must be counted before the first 360-day interval is completed. Hence, the second tzolkin retains 160 days in its count, which are then matched with the first 160 day-names of the second tun. The split here in the tzolkin between 100 and 160 is the one which preserves the extreme/ mean ratio, since 100 represents the lesser segment of the ratio, while 160 represents the mean segment. The sum of lesser and mean segments, of course, fixes the length of the extreme segment of the ratio at 260 days.
          As I also noted in the previous discussion, the exact value of the ratio, expressed as a decimal, is equal to .61803403. In the Maya calendar, the lesser segment (100 days) divided by the mean segment (160 days) produces a value of .625, which is .007 greater than the ideal value. At the same time, the mean segment (160 days) divided by the extreme segment (260 days) produces a value of .6153846, which is .003 less than the ideal value. These facts are cause enough, and in themselves, to argue that the Maya calendar preserves the extreme/ mean ratio when the day-name sequence is counted in real time. What these facts do not tell us definitively is whether or not Maya astronomers were aware of the harmonic structure of their calendar. This conclusion is in doubt because the Maya probably reached the values expressed in their calendar by finding numbers that best articulated several complex relationships between planetary motion (Mars and Venus especially) and periodicities associated with lunar and solar eclipse syzygies as well as with the sun's seasonal connection to the celestial equator at equinox and solstice positions. The best evidence in support of the possibility that the astronomers were aware of the nature of the 260/ 360 split in their calendrical system can be seen when the numerical values are converted directly to an appropriate geometrical configuration.
          In the figure given below, the extreme/ mean ratio has been used to inscribe two concentric circles. One word of caution: the figure was not drawn with a compass and straight-edge. As a result, the relationships apparent in it are not exactly precise. At the same time, however, everything seen in the figure can be drawn with Euclidean tools to preserve the exact relationships as I have described them below. The radius of the inner circle is equal to the lesser segment of a given finite straight line that has been cut in extreme/ mean ratio as Euclid prescribes in Book VI, Proposition 30, of The Elements. The radius of the outer circle is equal to the extreme segment of the same finite straight line. The mean segment, of course, is that part of the radius of the two circles that stands as the difference between the lesser and extreme segment. In the figure, the area shaded in blue is the mean segment of the figure. The area shaded in red is the lesser segment. Red plus blue is the extreme segment. As noted, the red segment is marked as being equal to 100 days; while, the blue segment is marked as being equal to 160 days, in order to preserve the sense of the split between the 260-day tzolkin and the 360-day tun in the Maya calendar.
          Also apparent in the figure is the fact that both circles have been divided into 20 equal parts of 18 degrees each. While this might appear arbitrary, might seem to be a fact accomplished outside the strict application of Euclidean tools, that impression is false, since it is true that one-half the length of the mean segment in every instance of the use of an extreme/ mean ratio to draw two concentric circles, regardless of the length of the given finite straight line, always measures the length of a chord on the outer circle that subtends exactly 18 degrees of circular arc on its circumference. There is no conceivable exception to this rule. Using only a compass and a straight-edge, then, it is possible to draw the figure exactly as it appears below. What I have added peripherally to the figure is a methodology for using its configuration to count the day-name sequence of the Maya 260-day tzolkin. If numerical markers are placed on the figure at the intersection points between 18-degree angle lines and the circumference of the inner circle, with consecutive numbers at each place beginning with the line marked 1 Imix and extending forward to 13 Ben, which exhausts the numerical coefficients in the tzolkin, the next day in sequence can be named by moving the marker for "1" across the open "horseshoe" shaped space to the next empty position on the inner circle after 13 Ben. That creates the 14th day of the sequence at 1 Ix. 2 Men is counted next as the 15th day, and so on, until all 260 days are counted in their proper and precise order.
          What gives this configuration its most compelling stamp of authenticity as a genuine Maya artifact, even if no example or representation of it has ever been found, is in the way it reverses the order of objects classified in groups as it moves back and forth between days and degrees in the 360-day tun and the 360-degree circle. In the tun there are 18 months (uinal) of 20 days each. In the circle there are 20 divisions of 18 degrees each. The difference between one thing and the other creates a natural space where the 260-day sequence of the tzolkin can actually be counted. If that is only the result of coincidence, of blind chance, this case must stand as one of the most incredible accidents that has ever occurred in human history. More probably, this configuration rests at the deepest ground of Maya Classic period conceptualizations of the relationship between real space and real time. That the conception is harmonic is further emphasized by the fact that the relationship between days in the tun and degrees in the circle is not expressed as an opposition; rather, these two categories are precisely the same even as they stand as mirror-images of each other. Harmony collapses opposition by turning the same thing around into its reverse order. What this says is that time and space are the same thing but that they exist as mirror-images of each other, at least in the way the Maya conceived of them during the Classic period.
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            Re: PHI; The Golden Ratio in Maya Math

            Mon, November 7, 2005 - 12:15 AM
            < the following may seem a bit redundant, but complimentary perspecitves are helpful in understanding such concepts ~TreeFrog >

            www.synchronometer.com/articles/phi.html

            The Synchronometer is Just Phi in the Sky


            Much of the following information is credited to Dr. Frederick Martin, who published a stunning article available here. What this information shows is nothing short of miraculous and validates the Tzolkin (260) and the Tun (360) count as a harmonic reflection of the Golden Mean. It also validates the Day Synchronometer as the only current model (as far as I know) of resonant timekeeping in regards to the subdivisions of the day.


            Mayan calendrics have always been much debated and misunderstood. Our own linear time model found in the Gregorian calendar and Mechanical Clock have limited our perceptions of time to such an extent, we have been unable to completely understand the nature of the calendrical information left for us by the Maya. Our static perceptions of time are fast becoming a thing of the past as we head full steam into a dynamic universe. The Law of Time is truly becoming an undeniable reality that validates itself more and more as we approach the end of the current age in the Long Count on Dec 21, 2012. Our work here at synchronometer.com is one of many examples of the continual effort to bridge the gaps left in our perceptions of time and bring to science an undeniable equation or series of equations that confirm that we truly are living in a harmonic universe, and that we can awaken this perception with a proper and valid orientation to time.

            The scope of this article is limited to the relationship of the Golden Mean to the harmonics of time. For in depth analysis of other aspects of the 13 Moon calendar, Tzolkin, and the Maya, please visit the www.foundationforthelawoftime.org, www.tortuga.com, or look around at this site www.synchronometer.com . A general web search will also yield a vast amount of information. Nevertheless, I will include some brief introductions.

            A Brief Analysis of the 260 Day Tzolkin.

            The 260 day Tzolkin count is generally referred to as the sacred calendar of the Maya. The product of the coefficients 13 and 20 yields 260 possible day names, each associated with universal qualities of being. The western monopoly of art and science, religion, and politics has generally failed to extend any validity to this model as a candidate for replacing our own calendar. 260 doesn’t add up it seems. Why 260? It is true that 260 days is the average length of a human gestation period. Many say, so what? But this is only a tiny fragment of information that gives us a clue to investigate this module further. Through any investigation of the harmonics of 260, inevitably one comes to the conclusion that the number 13 is the prime mover and shaker of this vigesimal (20) based harmonic module.

            The number 13 is perhaps the most important number in revealing a synthesis to the harmonics of the solar system. It represents the dynamics of the spiral whereas the number 12 represents the static qualities of immovable perfection. The global standard for timekeeping has embraced the number 12 through the 12:60 ratio and has eliminated the recognition of the number 13 and its dynamic qualities.. The reality is however, that the relationship of 260 & 360 within Tzolkin and Tun counts, preserves the ratio of the of the Golden Mean , which is found everywhere in the natural world of living things. The Tzolkin and the Tun Count seamlessly integrate with the 13 Moon Calendar and the Day Synchronometer. What Dr. Frederick Martin has outlined for us is precisely how the Golden Mean relates to the 260 and 360 count through an extreme/mean ratio. The decimal representation for this ratio is phi= .618033…..


            The Tun (360) count coincides with the Tzolkin count. The Tun is comprised of 18, twenty day months (18x20 = 360). These are called uinals. Each uinal is also referred to as a “harmonic run” of 20 days, each beginning on the day name of the year-bearer, throughout the 365 day year. The 5 left over days which round the year out to 365 days were called uayeb.

            The 365 day calendar was called the Haab. The Haab and the Tzolkin re-synchronized with each other every 18,890 days, or about every 52 years. The Tun count is an interval utilized in the LC, whose intervals are 144,000, 7,200, 360, 20, and 1.

            260/360

            This is the basis for the Day Synchronometer and the Long Count, and as Dr. Martin has pointed out, it is also a perfect representation of the extreme/mean ratio. This ratio is realized by analyzing the relationships between 260 and 360. Because these counts coincide, and the day names associated with them repeat every 260 days, we are left with a remainder of 100 days at the end of the first 260 count 360-260 = 100 to continue with the first Tun count of 360.

            Alternatively, we have a remainder of 160 days to complete the second tzolkin count at the start of the next Tun count.

            This is easily shown as

            Tzolkin 260 days….
            Tun 360 Days

            When the Tzolkin completes its first cycle (260), we are left with 100 days in the first Tun. At day 261 in the first Tun we return to 1 Imix

            Tzolkin begins again and its first 100 days coincide with the
            last 100 days of the first Tun.

            The second Tun begins at day 100 in the Second Tzolkin, leaving a remainder of 160 days which coincide with the first 160 days of the Second Tun.


            It is here that the golden ratio is defined. The relationship of 100 and 160 preserves the extreme/ mean ratio, since 100 represents the lesser segment of the ratio, while 160 represents the mean segment. The extreme segment is 260.

            100/160 = .625
            160/260 = .615384615

            phi = .6180343

            __________|______
            A................G..........B
            AG = GB = phi = 0•61803... = sqrt(5)-1
            AB AG 2


            AB is the extreme segment = 260 (Tzolkin)
            AG is the mean segment = 160 (Self-Existing Sun)
            GB is the lesser segment = 100 (Solar Sun)

            If we average .625 and .615348615, we see that the difference is .002158008 from the ideal value of phi.

            There have been many clues that articulate the significance of the fibonacci series in the Tzolkin and the other calendar systems of the Maya. This however, shows that the Tun count in conjunction with the Tzolkin actually mirror the natural harmonic order in space through the golden ratio and preserve this ratio as they are counted in real time. This is exactly what the Day Synchronomter is doing as it counts the 260 and 360 together. Every 360 tsecs is equivalent to 1 of 260 kin in the day. Every 260 tsecs is equivalent to 1 of 360 degrees of space.

            Now that we have defined the relationship of 260 and 360 as a mirror of the Golden ratio, we can utilize Euclidian laws to demonstrate the relationship with two concentric circles. This is very startling, as the divisions of a circle into 20 equal parts of 18 degrees is achieved through the dynamics of the 260/360 interactions, and can be done with only a compass and a straightedge.

            18 twenty day uinals = 20 eighteen degree divisions of a circle.

            Recall the following:
            AB = 260
            AG = 160
            AG =GB = phi = 0•61803... = sqrt(5)-1
            AB AG 2


            Use standard methods to draw an extreme/mean ratio. You will need a compass and straightedge. Begin by drawing a square and bisecting the base line. Put the point of the compass at the midpoint of the baseline. Put the mark end at top right corner of your square. Draw an arc back to the baseline. Extend your baseline to intersect your arc. We shall call this point B. You now have demonstrated the extreme/mean ratio of the golden section. Your baseline should now resemble the line below.
            __________|______
            A................G..........B
            AB is the extreme segment = 260 (Tzolkin)
            AG is the mean segment = 160 (Self-Existing Sun)
            GB is the lesser segment = 100 (Solar Sun)

            The extreme segment (260) is equivalent to the radius of the outer circle. Place the point of your compass on A and the mark on B. Your compass now set to the length of the extreme segment, draw a circle.

            The inner circle is equivalent to the lesser segment, 100 (solar sun). Place the point on G and the mark on B. Your compass now set to the length of the lesser segment, place the point where you placed it when drawing the extreme segment circle and draw another circle.

            The mean segment 160 (self-existing sun) is the area defined between the outer edges of each circle. The length of the each chord (pie) on the circumference is 18 degrees. This is equivalent to ½ of the mean segment.

            As noted by Dr. Martin, “…one-half the length of the mean segment in every instance of the use of an extreme/ mean ratio to draw two concentric circles, regardless of the length of the given finite straight line, always measures the length of a chord on the outer circle that subtends exactly 18 degrees of circular arc on its circumference.”

            Use your compass to determine ½ of the mean segment. Leave your compass set to this length and place the point on the outer edge of the extreme segment (the 260 circle). Now simply place the mark end where it falls and draw an arc that crosses the outer edge of the circle. Then place the point at the intersection of the edge of the 260 circle and the arc you just drew. Mark these 18 degree markers all the way around the circle. When you finish you will have twenty of them. Connect the appropriate dots and you should have 20 equal divisions of a circle entirely derived through the extreme/mean ratio, determined by the 260/360 dynamics discussed above.

            Yours in Natural Time,
            Collin Rhythmic Eagle

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