Magha Saptami is observed as the birthday of the Sun God and is held on the seventh day of 'Magha' month of the Hindu calendar. People offer prayer to 'Tri Mahadev' after taking a dip at the confluence of Chandrabhaga River and the Bay of Bengal. Devotees also offer puja at 'Naba Graha' on the premises of the Sun temple at Konark.