The Times of India. Chhath Puja will take place in November 2026, marked by two significant rituals honoring the Sun. Devotees will prepare for the evening Sandhya Arghya and the morning Usha Arghya ceremonies. Chhath Puja 2026 Sandhya Arghya is on November 15 and Usha Arghya on November 16. Check out the sunset and sunrise timings for Delhi, Patna, Ranchi, Mumbai and Kolkata.