Chaitanya Mahaprabhu, also known as Gauranga Mahaprabhu, was a 16th century saint and social reformer who is considered to be the founder of Gaudiya Vaishnavism. His teachings and philosophy have had a profound impact on the Hindu religion and have inspired the celebration of various festivals in his honor.

The main festivals celebrated by Gaudiya Vaishnavas in honor of Chaitanya Mahaprabhu are Gaura Purnima, Nityananda Trayodashi, and Ratha Yatra.

Gaura Purnima, also known as Chaitanya Mahaprabhu Jayanti, is the most significant festival for Gaudiya Vaishnavas. It is celebrated on the full moon day in the month of Phalguna (February-March) to commemorate the appearance of Chaitanya Mahaprabhu. The festival is marked by grand processions, devotional singing, and feasting. Devotees also perform abhishekam (ritual bathing) of the deity of Chaitanya Mahaprabhu with milk, yogurt, honey, and other auspicious substances.

Nityananda Trayodashi is celebrated on the thirteenth day of the waxing moon in the month of Magha (January-February) to honor the appearance of Nityananda Prabhu, who is considered to be the incarnation of Lord Balarama. Nityananda Prabhu was a close associate and spiritual brother of Chaitanya Mahaprabhu. On this day, devotees offer special prayers and perform kirtans (devotional songs) to glorify the pastimes of Nityananda Prabhu and his contributions to the Gaudiya Vaishnava tradition.

Ratha Yatra, also known as the Festival of Chariots, is celebrated on the second day of the waxing moon in the month of Ashadha (June-July). It commemorates the journey of Chaitanya Mahaprabhu and his followers from Puri to the Gundicha temple. Devotees pull the chariot of Lord Jagannath, who is considered to be an incarnation of Krishna, while singing devotional songs and dancing in ecstasy. This festival symbolizes the journey of the soul towards the ultimate goal of union with God.

Apart from these three main festivals, Gaudiya Vaishnavas also celebrate other important occasions related to Chaitanya Mahaprabhu, such as his appearance day, disappearance day, and the anniversary of his initiation into the Gaudiya Vaishnava tradition.

In conclusion, the festivals celebrated by Gaudiya Vaishnavas in honor of Chaitanya Mahaprabhu are a way to remember and honor his teachings and contributions to the Vaishnava tradition. These festivals are marked by devotion, joy, and a sense of community, bringing together people from all walks of life to celebrate