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Maya calendar
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Carved Mayan calendar on a large boulder, featuring a central figure surrounded by intricate glyphs arranged in concentric circles. Interactive Gregorian calendar tool with fields for year, month, day, and era, set to December 8, 2025, and a blue Calculate button at the bottom.
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Carved Mayan calendar on a large boulder, featuring a central figure surrounded by intricate glyphs arranged in concentric circles.
Maya calendar A carving of the Maya calendar on a boulder.

Maya calendar

chronology
Also known as: Mayan calendar
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History

Maya calendar, dating system of the ancient Maya civilization and the basis for all other calendars used by Mesoamerican civilizations. The calendar was based on a ritual cycle of 260 named days and a year of 365 days. Taken together, they form a longer cycle of 18,980 days, or 52 years of 365 days, called a “Calendar Round.” The original name of the 260-day cycle is unknown; it is variously referred to as the Tzolkin...

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