s a day celebrating the first full moon of the new year. Traditionally, group of people plays a traditional game called Geuybulnori a night before or on the day of Daeboreum. Farmers burn hays of dry grass on ridges between the rice fields while other people whirl around few cans with a lot of holes which allowed charcoals to fire inside the cans. Practically, people believed that the fire could help killing harmful insects near the rice fields, and ashes of the fire could fertilize the ground to help the year's farming. Also, charcoals were used to blaze a fire.