Ganga Dussehra 2026: Ganga Dussehra, celebrating Goddess Ganga's descent to Earth, will be observed on Monday, May 25, 2026. This significant Hindu festival involves holy dips in the Ganga, believed to cleanse sins, and various religious rituals. Devotees also engage in charitable acts and participate in Ganga Aarti, seeking blessings for prosperity and spiritual strength.