The Meitei calendar () or "Manipuri calendar" () or "Kangleipak calendar" () or "Maliyapham Palcha Kumshing calendar" () is a traditional lunar calendar invented and used by the Meitei ethnicity for religious and agricultural purposes. It was developed by Emperor Maliyapham Palcha (1359 BC-1329 BC) in (Palcha era) in Ancient Manipur (Antique Kangleipak). Similar to the Gregorian calendar (Roman calendar), it also has twelve months in a year, four weeks in a month and seven days in a week.