Simha Sankranti marks the day when the Sun moves from Karka Rashi (Cancer) to Simha (Leo). Simha Sankraman is a significant South Indian festival. The day also marks the beginning of the Simha month which is a part of the various solar calendars followed by Indians. This day starts the Chinga month as per Malayalam calendar, Avni month as per Tamil month and Bhadra month as per the Bengali calendar. Those who have Sun placed in the Cancer sign in their horoscope are going through the dasha period of Planet Sun should get the Sun (Surya) puja done. During this puja special mantras of lord Vishnu are also done.