This is also first day of Marathi Calendar. This festival is supposed to mark the beginning of Vasant (spring). According to the Gregorian calendar this would fall sometime at the end of March and the beginning of April. According to the Brahma Purana, this is the day on which Brahma created the world after the deluge and time began to tick from this day forth. This is one of the 3 and a half days in the Indian Lunar calendar called "Sade-Teen Muhurt", whose every moment is considered auspicious in general to start a new activity.