Why is  16 December 2025  important for Surya worship? Learn Dhanu Sankranti  puja time, vidhi, and the deep Sanatangyan meaning of this sacred transition. Dhanu Sankranti  is considered to be an auspicious day as per Hindu mythology, when the Sun enters Dhanu Rashi or  Sagittarius . This day, which falls on 16 December, is of much spiritual significance in the SanatanGyan tradition and is celebrated with great pomp and cultural shows in Odisha , where Dhanu Yatra , an import