What is Diwali? Diwali is the Indian “festival of lights”—a holiday that celebrates the triumph of good over evil. This year, Diwali will be celebrated on October 24. Though technically religious, it’s also become a cultural event in North America that’s celebrated with sweets and special foods. Learn about Diwali, when it occurs, and common traditions! https://www.almanac.com/content/diwali