What are some differences between the Mayan calendar and the Aztec calendar?
The Refined Mayan calendar system that was used by other pre-Columbian tribes such as the Olmec, Aztec, Zapotec and Mixtec. The Maya used more than one calendar: a calendar of 260 days, probably the oldest and more widely used, combined with the 365-day calendar, to form a cycle that lasts about 52 years. We also used the Long Count calendar in very complicated system. Some Mayans in Guatemala remains the use of calendars. More information on this site: http://en.wikipedia.org/wiki/Maya_calendar
Mayan Calendar Explained