Diwali, also known as Deepavali, the Hindu festival of lights celebrated every year in autumn. One of the most popular festivals of Hinduism, it spiritually signifies the victory of light over darkness, good over evil, knowledge over ignorance, and hope over despair. The festival falls on Amavasya Tithi (new moon day), in the month of Kartik according to the traditional Hindu calendar. Diwali 2017 is celebrated on October 19. Diwali is the five days festivity period which begins on Dhanteras and ends on Bhaiya Dooj.