The Mayan civilization created several different calendars used
long ago during the Mesoamerica civilization. The Maya had
several sophisticated calendar systems, which are quite similar
to the 12-month calendar cycle we use today. These calendars
converged and ended on Dec. 21, 2012, although many experts
believe the Maya thought this simply represented the end of one
cycle and the start of another one. Francisco Chavajay works in
the auditing department for CFCA in Guatemala. Francisco is from
the Mayan Tz¥utujil people and had these insights into Mayan
calendars. How does the Mayan calendar differ from the Gregorian
calendar we use today? The Maya had 20 calendars and in many of
them their base number was 13. That number is a very important
number in the Mayan calendars; as a comparison, 13 would be like
the number 30 in the Gregorian calendar we use today. For
example, the “Cholq’ij,” or the lunar calendar, which consists
of 20 months of 13 days each, has a cycle of 260 days. The Maya
created the “Cholq’i