What is the traditional festival of China on the 15th day of the 8th month of the lunar calendar?

The Mid-Autumn Festival (中秋节) is a traditional festival in China on the 15th day of the 8th lunar month. It is called the Mid-Autumn Festival because it is the middle of the fall season. （An important activity of the Mid-Autumn Festival is to enjoy the moon. At night, people enjoy the moon and eat mooncakes to ****celebrate the Mid-Autumn Festival. The Mid-Autumn Festival is also a time for family reunions, and travelers (who are far away from their hometowns) will take this opportunity to express their longing for their hometowns and loved ones. （There are many customs of the Mid-Autumn Festival, all of which express (people's) love and yearning for a better life. Since 2008, the Mid-Autumn Festival has become a legal holiday in China.

Translation:

The Mid-Autumn Festival is one of the traditional Chinese holidays. It is held on the 15th day of 8th lunar month. It is held on the 15th day of 8th lunar month. This day is the half of autumn, so it is called Mid-Autumn. One of the important Mid-Autumn Festival activities is to enjoy the moon. This day is the half of autumn, so it is called Mid-Autumn. One of the important Mid-Autumn Festival activities is to enjoy the moon. living far away from home will express their feelings of missing their hometowns and families at this festival. There are many customs to celebrate the festival, all expressing people's love for their families. The festival is also a time for family reunion. People living far away from home will express their feelings of missing their hometowns and families at this festival. Since 2008, the Mid-Autumn Festival has become an official national holiday in China.