[Edamia '34th' Blog Post] Joyous Hangawi, Chuseok Chuseok, also known as Hangawi, is one of Korea's most important traditional holidays. Celebrated on the 15th day of the 8th lunar month, Chuseok marks the harvest season when people give thanks to their ancestors for the year’s abundance. The origin of Chuseok dates back to the Silla Dynasty, when it was known as Gabae, a festival where the king..