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
Punjabi calendar Punjabi calendar The calendar used by the Punjabi people varies by religions. Historically, the Punjabi Sikhs and Hindus have used the Indian Bikrami (Vikrami) calendar which started in 57 B.C. with King Vikramaditya. Punjabi Muslims use the Arabic Hijri calendar. Some festivals in Punjab, Pakistan are determined by the Punjabi calendar, such as Muharram which is celebrated twice, once according to the Muslim year and again on the 10th of harh. The Bikrami calendar is the one the rural (agrarian) population follows in Punjab, Pakistan. In Punjab though the solar calendar is generally followed, the lunar calendar used is purnimanta.