Diyas symbolise goodness and purity, and lighting them denotes dispelling darkness and going into light. And since Deepavali is celebrated on the new moon day, a time of darkness everywhere; light these lamps are a means to get rid of darkness. Lighting the lamps also denotes dispelling angerm greed and other vices. The lamps also stand for good luck. The traditional diyas were lit using ghee (clarified butter) but today people commonly use oil.
- Tahseen, I. (2019, October 24). The significance of Diyas in Diwali. Times of India. Retrieved September 29, 2023, from Link