August 15th of the lunar calendar is the Mid-Autumn Festival. According to the China lunar calendar, August is the second month of autumn, which was called Mid-Autumn Festival in ancient times, so it is called Mid-Autumn Festival, also called Autumn Festival, August Festival, August and a half, full moon, full moon, and because the moon is full on this day, it symbolizes reunion, so it is also called Reunion Festival. There are many customs in the folk Mid-Autumn Festival, such as eating moon cakes, enjoying the moon, enjoying osmanthus and solve riddles on the lanterns.

The 15th day of the eighth lunar month is the traditional Mid-Autumn Festival in China and the second largest traditional festival in China after the Spring Festival. August 15th is in the middle of autumn, so it is called Mid-Autumn Festival. The ancient calendar in China called August in the middle of autumn "Mid-Autumn Festival", so the Mid-Autumn Festival is also called "Mid-Autumn Festival".