Why did Tomb-Sweeping Day, China have a three-day holiday?

During the Spring and Autumn Period, Zhong Er, the son of the Jin Dynasty, was exiled. Hungry and dizzy on the way, the minister meson pushed the meat on his thigh to eat. Later, my son Zhong Er became Jin Wengong, and the loyal minister forgot to recommend him. When Zhong Er remembered this incident, Jiezitui refused to be an official again and lived in Mianshan behind his mother's back. Zhong Er asked Yamakaji to force him out of the mountain, but the fire burned for three days and no one came out. He went up the mountain and found himself and his mother burned to death.

On the charred willow tree, there is a big fairy who writes a bloody poem, "May the Lord be always clear when I cut meat and serve you." Therefore, Zhong Er designated the day when Yamakaji was released as Cold Food Festival. The next day, Zhong Er climbed the mountain to pay homage and found that the old willow tree was resurrected. He named it "Qingming Willow", and named it Tomb-Sweeping Day, in order to pay homage and encourage himself to be diligent and clear.

Tomb-Sweeping Day falls on April 5th or 6th in the national calendar, because it falls on the 5th day after the mid-spring equinox in 24 solar terms, so it is not fixed on April 5th in the national calendar, nor is it determined by the lunar calendar. Tomb-Sweeping Day, also known as the National Tomb-Sweeping Day, was a national holiday designated by the government in 24 years of the Republic of China.

China has a long history of offering sacrifices to ancestors. As early as ancient times, emperors and generals offered sacrifices to ancestral temples, and in the Spring and Autumn Period, Confucius offered sacrifices to tombs, all of which were unique to nobles. After Qin and Han dynasties, the aristocratic system came to an end, and it was a custom for ordinary people to sacrifice their ancestral graves.