## Info

a Items underlined above are here given correctly so that CR and SN count correspond, but are otherwise given in the Dresden. b The Dresden table of multiples of 91 days uses dates 3 Chicchan, 3 Kan, 3 Cimi, 3 Ix, and 13 Akbal, emphasized above. 9 Ix is usually involved in Mercury calculations.

c N.B. Dresden R.N. base 12.19.19.17.3 13 Akbal 11 Kayab, 17 days before the usual Mayan era base, might tie in to these calculations. d 3.16.3.5.6.16 (4 Ahau 8 Cunku) equals 10,967,536 days. Calculated at 365.25636, this is 17 days less than 30,027 sidereal years, or 34 days off from the 13 Akbal base above. DHK suspects calculations involving the precession of the equinoxes but proof is still lacking. e The serpent number table of Madrid, pp. 18-20, has no discernible relationship to the Dresden dates, except possibly the 4 Eb date.

a Items underlined above are here given correctly so that CR and SN count correspond, but are otherwise given in the Dresden. b The Dresden table of multiples of 91 days uses dates 3 Chicchan, 3 Kan, 3 Cimi, 3 Ix, and 13 Akbal, emphasized above. 9 Ix is usually involved in Mercury calculations.

c N.B. Dresden R.N. base 12.19.19.17.3 13 Akbal 11 Kayab, 17 days before the usual Mayan era base, might tie in to these calculations. d 3.16.3.5.6.16 (4 Ahau 8 Cunku) equals 10,967,536 days. Calculated at 365.25636, this is 17 days less than 30,027 sidereal years, or 34 days off from the 13 Akbal base above. DHK suspects calculations involving the precession of the equinoxes but proof is still lacking. e The serpent number table of Madrid, pp. 18-20, has no discernible relationship to the Dresden dates, except possibly the 4 Eb date.

long). The third component consists of two intervals of 1508 My (each equal to 1507 Tropical years17). This period of 1508 My equals 29 CR, so that the same day of both the 260-day cycle and the 365-day Mesoamerican year return to the same seasonal position within the tropical year (in the context of earlier chapters, the same solar date). This placement, in turn, helps to explain the construction of the 9 Kan 12 Kayab base. The CR date 9 Kan 12 Kayab, which is closest to the Maya era base, is at 0.0.7.1.4 and is 7 My and 1 day (hence, exactly 7Ty) after a date 13 Akbal 1 Kayab, a Ring Number date in the Dresden codex, some 17 days before the normal Mayan era base. With this placement, the 9 Kan 12 Kayab date, which is 7 tuns and 24 days after 4 Ahau 8 Cumku at the normal Maya era base, becomes 11,008,400 days after the 9 Kan 12 Kayab era base. This is an interval of 20 x 29 CR, or 30,160My or 30,140Ty. Given the Maya use of multiples of 20 in their mathematics and the use of 21/2 of these great tropical year intervals (of 29 CR) in reaching the earliest date of the Serpent Number series, it seems certain that the base is somehow involved with tropical year calcu

17 This statement is precise enough for all practical purposes: The difference between 1508My and 1507Ty is 0.0046 days per 1507 years or ~ 1d/327,600y.

lations. Why the normal Maya era base and the 9 Kan 12 Kayab base are offset by 17 days in the tropical year is unclear.

This previously unrecognized calculation is closely tied to the calculation of the birth of the gods at Palenque, discussed previously in §12.6. The total interval from the era base to 1.18.5.4.0 1 Ahau 13 Mac is 275480 days or 754 years and 87.532 days. It has been widely accepted that this 1 Ahau date was the birth date of a Mesoamerican god known in highland Guatemala as Hun Hunahpu, among the Aztecs as Ce Xochitl ("One Flower"), one of the Aztec names for the Sun god. The intervals suggest that the era base was at or near a fall equinox, that 0.0.1.9.2 13 Ik tun Mol was at or near a spring equinox, and that the Sun god was born at the winter solstice, the last being an appropriate and widely held view in other mythologies. The interval of 752 to 754 years is just the half-period of the 1508 Mayan year cycle under consideration. We have pointed out (ff. Spinden, §12.7) that the date 1.18.5.4.0 1 Ahau 13 Mac preceded the date 9.11.3.2.0 1 Ahau 13 Mac by two cycles of 29 calendar rounds. He also suggested that the latter date was the intended position of the 1 Ahau 13 Mac date, which appears in the Dresden Venus table. This view has been explicitly accepted both by Smiley (1961, pp. 237-238) and DHK, but implicitly rejected by most scholars who have worked on the

Venus table. The date 9.11.3.2.0 1 Ahau 13 Mac fell in the 52nd year of Pacal, ruler of Palenque, during the lifetime of his son, Chan Bahlum. These are the rulers associated with the tablets from the Temple of the Inscriptions, which give the birth dates of the gods. The date 9.11.3.2.0 1 Ahau 13 Mac is 88 days after 9.11.2.5.12 4 Eb 5 Ch'en, the Serpent Number date with which we started our discussion of serpent numbers and the tropical year earlier in this section. The 88-day interval is appropriate to go from a fall equinox to a winter solstice.

It should be pointed out that 1.18.5.4.0 1 Ahau 13 Mac is 280 days after 1.18.4.8.0 7 Ahau 18 Kayab and that the brothers Seven Ahau and One Ahau may well take their names from this structural relationship of the 18 Kayab and 13 Mac sections of the Dresden Venus table inscription. The nature of the relationship between One Ahau (Flower) as a Venus god and Nine Ik (Wind) as a Venus god is not clear at this time.

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