Daeboreum

Daeboreum(Jeongwoldaeboreum) is the 15th day of the first lunar month. This is a traditional holiday in Korea. The moonlight is the symbol of light which sends away the dark, diseases and misfortunes.

According to Youlryeokseo (an ancient book), Jeongwol combines(or harmonizes) with human being, god and nature and it plans thing we will do during one year, prays and divines. When full moon rises to the sky at Daeboreum, it is believed that a one year's desire which is seeing the full moon and praying is accomplished by many people. In the morning of the Daeboreum, Korean have sold their heat. People go to their friends' house as early as they can, and call their friends' name and tell "Buy my heat" or "My heat, my heat, mundy heat!". Korean think if they do that, they can live their summer cool. It is common that sell the heat once. Hence, some rogues sell the heat many times for teasing children.