Loy Krathong day is one of the most important traditions in Thailand because this day is considered to be a worship to a foot-print of the Lord Buddha. To avert a catastrophe on Loy Krathong day can be done by letting the sin drift along the river with krathongs. Loy Krathong Day is one of the most popular festivals of Thailand. It takes place at a time when the weather is fine as the rainy season. People gather near the river, ponds, lakes, or simply where there is water to float their krathong. During the night of the full moon, Thais will float their krathong on a river, canal or a pond lake. The festival is believed to originate in an ancient practice of paying respect to the spirit of the waters. Today it is simply a time to have fun. "floating lanterns") are launched into the air. Addition the event has been contested Noppamas. Noppamas was said to have made the first decorated Krathong to float in the river on the occasion. The festival includes a contest of Krathong-making, the Nophamas Queen Contest, local games and performances, entertainment programs and firework displays. is believed that krathongs carry away their sins and bad luck, and happiness will come to them.