Mayan Calendar 2025 Leap Year Date. 2025 calendar with modified julian date (mjd) and gps week:day numbers return to leapsecond.com home page. Mayan calendar, dating system of the ancient mayan civilization and the basis for all other calendars used by mesoamerican civilizations.
Mayan calendar, 2012, the end of the world. It is made of 260 days, which is equivalent to the 9 months of gestetation of a.
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