Yi Peng Lantern Festival 2024 Dates. Yi peng festival is a thai celebration held on the evening of the twelfth month’s full moon in the traditional lunar calendar. Yi peng festival, also known as yee peng, is a traditional lantern festival celebration in northern thailand, particularly in the city of chiang mai.

When is the yi peng lantern festival in chiang mai? Yi ping festival dates change every year based on the moon.