Imagine standing in a river with a bamboo basket filled with fruits, sugarcane and traditional offerings. As the Sun slowly disappears on the horizon, devotees fold their hands and offer water. Chhath Puja 2025: Chhath Puja is one of the most sacred festivals in Hinduism, begins six days after Diwali on the Shashthi Tithi of Kartik Shukla Paksha. This year, it will be celebrated from.