While the most important aspect of Day 3 of Chhath is the Sandhya Arghya, the celebration of the third day of Chhath is mainly spent preparing the special prasad - often consisting of a bamboo basket decorated with fruits, Thekua and rice laddus. ���� Chhath Puja 2023 Sandhya Arghya Timings: Patna, Delhi, Mumbai, Lucknow; Check City-Wise Sunset Time for the Evening Offerings During Chhath Mahaparv.