Why is Chhath Puja celebrated? Delve into the ancient myths and legends, from the story of King Priyavrata to the devotion of Karna, that shape the rituals of Chhath 2025. Chhath Puja 2025: The Ancient Legends And Myths Behind The Festival Syed Ayan Mojib Published at: 22 October 2025 5:34 pmKnow about the sacred legends behind Chhath Puja 2025 (Oct 25-28).