The Yipeng or Dueanyi Festival comes from the word “yi” in Lanna referring to the “second lunar month” and “peng” means “full moon night”. Thus, “yipeng” refers to the full moon night/day of the second lunar month, which falls on the full moon period of the 12th month of Central Thailand. The Lanna calendar is the lunar calendar, like the Chinese calendar. Therefore, it is two months ahead of the first month in the Central Thai Calendar. The Yipeng Festival marks a happy time for Lanna people during the rice harvest and golden fields around the end of the rainy season and the beginning of the cold season.