Revision as of 15:48, 5 July 2014 by Itztli ehecatl
Tonalli has three meanings: day, heat of the sun, and luck. 
Tonalli as dayA day in the Anahuaca calendar is a combination of a number, 1-13 and a day sign, Cipactli-Xochitl. There are 260 unique day signs because 260 is the resulting product when 13 is multiplied by 20. This 260 day cycle was used for divination in Pre-Cuauhtemoc times.
- Nahuatl-English English-Nahuatl, Fermin Herrera, page 196.