Indian Holiday Diwali 2025. Diwali's date is determined by the india calendar and changes every year, ranging from october to november. Diwali is the indian “festival of lights”—celebrating the triumph of good over evil.

Diwali puja is also known as deepavali puja. Known as the “festival of lights,” diwali is one of the most widely celebrated holidays in india and across the indian diaspora, including in the u.s.