Kartika Purnima. In Varanasi the ghats are lit with a million lamps. Kartika Purnima (Sanskrit: कार्त्तिकपूर्णिमा, romanized: Kārttikapūrṇimā), also known as Kartika Pournami, is a Hindu, Sikh, and Jain cultural festival that is celebrated on purnima (full moon day), the 15th day of the lunar month Kartika. It falls in November or December of the Gregorian calendar and is also known as Tripurari Purnima or Deva-Deepavali, the gods 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. Wiki link Dates computed from the Sun and Moon as New Delhi's panchang reckons them; regional calendars can differ by a day. Text: Wikipedia (CC BY-SA).