About Dates Significance & Mythologies Puja Vidhi & Katha Types Sankranti Calendar is the collection of all 12 Sankranti dates in one place which is found out as per the Hindu Solar Calendar . When Sun enters from one to another Rashi or Zodiac, the event is called ‘ Sankranti ’ that is literally the ‘ transmigration ’ or ‘ migration ’ or ‘ transmission ’ or simply ‘change’. The certain time duration, that is before and after the moment of Sankranti, is believed to be auspicious for donating the clothes, food, cow, and other stuff to the needy one. People follow this all as part of their rituals, tradition, and culture. Some celebrate it as a festival, and some see this as an opportunity to perform righteous acts.