St. John's Day, also known as the Feast of the Nativity of St. John the Baptist, is celebrated on June 24 each year. This day honors the birth of St. John the Baptist, a significant figure in Christianity known for baptizing Jesus. The celebration often includes various religious ceremonies and traditions, reflecting the importance of this saint in the Christian faith. In many cultures, St. John's Day is marked by festivals, bonfires, and community gatherings. These festivities symbolize the arrival of summer and the light that St. John the Baptist represents. The day is also associated with various folk customs and rituals, particularly in regions like Spain and Portugal.