13 авг 3113 г. до нашей эры - Mayan Calendar Start
Описание:
The Maya calendar consists of several cycles or counts of different lengths. The 260-day count is known to scholars as the Tzolkin, or Tzolkʼin.[5] The Tzolkin was combined with a 365-day vague solar year known as the Haabʼ to form a synchronized cycle lasting for 52 Haabʼ, called the Calendar Round. The Calendar Round is still in use by many groups in the Guatemalan highlands.
https://en.wikipedia.org/wiki/Maya_calendar
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13 авг 3113 г. до нашей эры
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~ 5141 г назад
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