Mesoamerican Long Count calendar Mesoamerican Long Count calendar The Mesoamerican Long Count calendar is a non-repeating, vigesimal (base-20) and base-18 calendar used by several pre-Columbian Mesoamerican cultures, most notably the Maya. For this reason, it is often known as the Maya (or Mayan) Long Count calendar. Using a modified vigesimal tally, the Long Count calendar identifies a day by counting the number of days passed since a mythical creation date that corresponds to August 11, 3114 BCE in the Proleptic Gregorian calendar. The Long Count calendar was widely used on monuments. The two most widely used calendars in pre-Columbian Mesoamerica, were the 260-day Tzolk'in
Fasli calendar day of the year is 7 or 8 June. The "Fasli calendar" dated from Akbars accession year. Thus the beginning of "Fasli era" is equal to below calendars. Fasli which means ("harvest") is derived from the Arabic term for "division", which in India was applied to the groupings of the seasons. Fasli Calendar is a chronological system introduced by the Mughal emperor Akbar basically for land revenue and records purposes in northern India, The differences in records dates due to the Muslim lunar calendar because of moon sighting have led him to introduce an alternate calendar which follows simultaneously with