Xiuhpowalli · Tonalpowalli
A Mexican Count of Days
Enter a date below to see the equivalent Mexika date in the Xiuhpowalli and Tonalpowalli. The solar year (Xiuhpowalli) ends on the day the vernal equinox is observed at Tenochtitlán's Templo Mayor, following Rubén Ochoa's correlation. All days begin at sunrise. To find your birth sign, please use the Free Personalized Tonalamatl option at the bottom of the page.
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The Gregorian calendar began in Mexico on October 15, 1582; earlier Gregorian dates are proleptic.
Input
January 1, 1970 (Gregorian)
Historical calendar in Mexico: Gregorian · January 1, 1970 · Julian day number 2440588
Tonalpowalli date
8 Kozkakwawhtli
chikueyi kozkakwawhtli
Vulture
Xiuhpowalli date
6th day of Atemoztli
ipan chikwaze tonalli itech atemoztli
Descent
Mexika year
9 Kalli
chiknawi kalli
365-day year
Day of solar year286 of 365
Veintena15 of 18
Nemontemi days this year5
Reading the days
8 Kozkakwawhtli · Vulture
Day 8 of the trecena 1 Atl (Water), which is carried by Chalchiwhtlikwe.
The day sign Kozkakwawhtli (Vulture)
Kozkakwawhtli, the vulture: the sign of long life. Those born in it were said to grow old, to be prudent, and to be heeded for their counsel.
The number 8
A middling number: the day sign kept the plain character of its trecena.
The thirteen days of a trecena take their character from the day sign that opens it, while their number gives the strength of that influence.
Significance of this trecena.
An evil day sign. Those born in it rejoiced only at the beginning of their lives and were said to end in misfortune.
Florentine Codex, Dibble & Anderson, Book 4, ch. 29, p. 99
The veintena Atemoztli (Descent)
Atemoztli, the descent of waters: the coming of the rains was awaited, dough images of the mountains were made, and offerings were laid before the Tlalokeh.
These readings summarize the day-sign auguries of the tonalpowalli as recorded in Book 4 of the Florentine Codex, Judicial Astrology or Divinatory Arts. They are given as historical testimony of how the day keepers read the count, not as prescription. Read the manuscript itself in the Digital Florentine Codex, Book 4 (Getty Research Institute, 2023).
Free personalized tonalamatl
Your birth tonalli
Enter the date, time and place of your birth. Because the Mexika day begins at sunrise rather than at midnight, the sunrise for your birthplace is calculated and applied: if you were born before it, the previous day's tonalli is yours. Times are local standard time — if daylight saving was in effect, subtract an hour.