The celebration that involves a monumental festival in honor of the sun in Incan culture is called Inti Raymi. Held on June 24th, this festival acknowledges the importance of the sun god, Inti, in Incan religion and agriculture. Inti Raymi features elaborate ceremonies, including processions, traditional music, and performances that reflect ancient customs and practices. Participants dress in colorful traditional attire and enact rituals to honor the sun's role in providing light, warmth, and fertility to the land. The festival serves as both a religious observance and a celebration of Incan identity and heritage.