Aztec and Maya Calendar
In the tonalpohualli, the sacred Aztec calendar, Friday March 31, 1531 is:
Xihuitl:
solar year
13 - Acatl (reed)
Long Count:
Mayan calendar
11.15.11.5.2
Xiuhpohualli:
365-day calendar
9 - Tozoztontli (IV)
(Correlation: Alfonso Caso [adjust])
The significance of this day
Aztec facts
In the Mayan Long Count, the 13th b'ak'tun (144.000 day cycle) started on the winter solstice of 2012 (December 21, 2012).
Day Ehecatl (Wind) is governed by Quetzalcoatl as its provider of tonalli (Shadow Soul) life energy. Ehecatl is a bad day for working with others. Its influences are inconstant and vain. A good day to root out bad habits.
The thirteen day period (trecena) that starts with day 1-Cuauhtli (Eagle) is ruled by Xochiquetzal. This trecena signifies a time of inspired play: regardless of the sport, this is the time of mastery. All of one's practice and preparation culminates now in an unparalleled conjunction of luck, skill and timing. These are 13 days when gambling on happiness, both your own and others', pays off. These are good days for taking risks; bad days for playing it safe.

