What is the solar term in Tomb-Sweeping Day?

Qingming is the only solar term and festival with both natural and humanistic connotations. It is one of the 24 solar terms, and it is also a festival to worship ancestors. "Twenty-four solar terms" is the product of ancient farming civilization, which is related to the time of gossip and has a long history. "Twenty-four solar terms" not only play a guiding role in agricultural production, but also affect the basic necessities of life and even cultural concepts of ancient people. Tomb-Sweeping Day is the most solemn festival for ancestor worship of the Chinese nation, and it belongs to a traditional cultural festival for ancestor worship. Tomb-Sweeping Day embodies the national spirit, inherits the sacrificial culture of Chinese civilization, and expresses people's moral feelings of respecting and honoring their ancestors.