Dattatreya Jayanti is a Hindu festival celebrated to commemorate the birthday of Lord Dattatreya who was a popular sage. This festival occurs in December or January during Margasheersha month on the full moon day. Dattatreya is regarded as the avatar of Lord Vishnu, Shiva and Brahma. On this day, in human form the trinity God appeared on earth to guide humanness. On Margasheersha purnima day, people worship and carry out procession.