What festival was the seventh day of the seventh lunar month called in ancient times? What are the main activities? Thank you for your questions.

This is divided into provinces and cities.

Henan Province: When the Central Plains worships the local officials in Shangqiu County, a paper flag is hung at the door, which is said to prevent insects. Flying kites during Mid-Autumn Festival in Mengjin County. On July 15, the magistrate of a county drew a gray circle in front of the door and burned paper gongs in the circle to worship the ancestors.

Shandong Province: Long Island fishermen make boats out of wooden boards, stick a note of "××××" on it, or put food, clothes, shoes and socks on it, and then light candles. The married man put the boat into the sea. In Zhanhua County, every household collects Kyle and fresh grass leaves to build a shed, which is called "Horse House" and asks ancestors to put it in for sacrifice. Ling Du county calls the Mid-Autumn Festival "pinch festival", and every family eats humble meals.

Shaanxi Province: Lintong County burned paper to worship Ma Gu on July 15. Farmers in Chenggu County will drink alcohol on the Mid-Autumn Festival, which is called "hanging hoes". Postpone farmers, go to the fields in the morning of Mid-Autumn Festival, choose the highest and densest ear of rice, hang a five-color paper flag and name it "Tian Fang".

Jiangsu province: residents of Wuxian county fold gold ingots with tin foil during the Mid-Autumn Festival and burn them along the road, which is called "ghost fate". There is still a kind of paper ghost circulating in Yizheng county, which contains bowl lamps, gamblers, drunkards and senior officials. There are four boats in the Zhongyuan Festival River in Yixing County, one is the flame mouth, the other is the Buddha chanting, the other is the tin foil ingot burning, and the other is the river lantern. On this day, villagers in Dong Xian eat flat food, which is a dustpan-shaped food made of flour and sugar. When releasing river lanterns in Shanghai, the stern is decorated with red and green paper lanterns, which is called "Dugu".