Karthigai Deepam

Karthikai Deepam or Karthikai vilakkidu is a Hindu and Tamil, Festival of Lights. The festival is observed in most Hindu homes and every temple, and falls in the month of Karttikai (mid-November to mid-December) as per Tamil calendar. This occurs on the day when the moon is in conjunction with the constellation Karthigai (Pleiades) and pournami. This constellation appears as a group of six stars in the firmament in the shape of a pendant from the ear.