Kartika Purnima

Kartika Purnima, also known as Kartika Pournami, is a Hindu, Sikh, and Jain cultural festival that is celebrated on purnima, the 15th day of the lunar month Kartika. It falls on November or December of the Gregorian calendar and is also known as Tripurari Purnima or Deva-Deepavali, the gods's festival of lights. Karthika Deepam is a related festival that is celebrated in South India and Sri Lanka on a different date. It follows Diwali by about 15 days.