Diwali is a Hindu festival that is celebrated throughout India and by people of Indian descent around the world. It is also known as the "festival of lights" and is celebrated by lighting lamps, candles, and fireworks, as well as by exchanging gifts and sweets with friends and family.

Diwali is celebrated on the new moon day of the Hindu lunar month of Kartik, which typically falls in the months of October or November. It is a five-day festival, and each day has its own significance and rituals.

The first day of Diwali is called Dhanteras, and is associated with the goddess of wealth, Lakshmi. On this day, people clean their homes and businesses and make offerings to Lakshmi to bring prosperity and good fortune. The second day is called Narak Chaturdasi and is associated with the defeat of the demon Narakasura by the god Krishna.

The third day is the main day of Diwali, and is called Deepavali or Diwali. On this day, people light lamps and candles and exchange gifts and sweets with friends and family. The fourth day is called Govardhan Puja, and is associated with the worship of the god Krishna. The fifth and final day is called Bhai Dooj, and is a day for brothers and sisters to come together and celebrate their bond.

Overall, Diwali is a beautiful and joyous festival that is celebrated by millions of people around the world. It is a time of family, friends, and celebration, and is a wonderful way to connect with the traditions and culture of India.