aztec calendar

Aztec Calendar
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Aztec and Maya Calendar

Did you know?

In the years after the conquest of Mexico, the xiuhpohualli (solar calendar) became tied to the Julian calendar as used by the Spaniards. This effectively introduced a leap year to the Aztec calendar every four years (this site provides the pre-conquest calendar).

Month: Day: Year:   

In the tonalpohualli, the sacred Aztec calendar, this day (Friday, February 10, 2012) is:




13-day period


solar year
Coatl (snake)Coatl (snake)Tecpatl (flint knife)
1 - Coatl (snake)1 - Coatl (snake)13 - Tecpatl (flint knife)


Lord of the Night


365-day calendar

Long Count:

(Mayan calendar)
Chalchiuhtlicue7 - Etzcualiztli (VI)

(Correlation: Alfonso Caso - Nicholson's veintena alignment [adjust] )

The significance of this day

Day Coatl (Snake) is governed by Chalchihuitlicue as its provider of tonalli (Shadow Soul) life energy. Coatl is the day of the snaking river that always changes without changing. It signifies the fleeting moment of eternal water. A good day for humility, a bad day for acting on self-interests.

1-Coatl is a good day to start a trade expedition.

The thirteen day period (trecena) that starts with day 1-Coatl (Snake) is ruled by Xiuhtecuhtli, Lord of the Year, the ancient god of fire who stands at the center. The 13 days of this trecena are governed by the forces that have created a power vacuum in the situation. The throne is empty and the rightful heir must struggle with all the pretenders who would claim it. These are 13 days of conflict, intrigues and unexpected developments. The throne will fall to the one who has laid the groundwork, built the alliances and is favored by the timing of events beyond any one person's control. This time will come again: those who are not prepared should bide their time; those who hold the throne should beware. These are good days to act out of strength, bad days to rely on the strength of others.

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