The Mid-Autumn Festival  is a harvest festivalcelebrated by ethnic Chinese and Vietnamese people.The festival is held on the 15th day of the 8th month of the lunar calendar with full moon at night, corresponding to late September to early October of the Gregorian calendar with full moon at night.

Mainland China listed the festival as an “intangible cultural heritage” in 2006 and a public holiday in 2008. It is also a public holiday in Taiwan and in Hong Kong. In the Vietnamese culture, it is considered the second-most important holiday tradition after Tết.