
Maasi" redirects here. For other uses, see Masi.The Tamil calendar is used in Tamil Nadu, Kerala and Puducherry in India, and by the Tamil population in Malaysia, Singapore and Sri Lanka. It is used today for cultural, religious and agricultural events, with the Gregorian calendar having largely supplanted it for official use both within and outside India. The Tamil calendar is based on the classical Hindu solar calendar also used in Assam, Bengal,...