Holi has been celebrated in the Indian subcontinent for centuries, with poems documenting celebrations dating back to the 4th century CE. It marks the beginning of spring after a long winter, symbolic of the triumph of good over evil. It is celebrated in March, corresponding to the Hindu calendar month of Phalguna. 

The festival is known for its vibrant and colorful celebrations. The significance of Holi is to mark the end of winter and welcome the spring season. It is a time for people to come together, play with colors, and create new beginnings. Holi is also a celebration of good over evil, as it is believed to commemorate the victory of the Hindu god Vishnu over the demon Holika.

The festival symbolizes unity and equality, allowing people to put aside their differences and unite in a joyful and joyful celebration. In summary, the significance of Holi is to celebrate the arrival of spring, the victory of good over evil, and to promote unity, equality, and joy among people.