What is the solar term for drizzling catkins?

Flying catkins in the drizzle is Tomb-Sweeping Day.

Tomb-Sweeping Day, also known as outing festival, outing festival, March festival, ancestor worship festival, etc. It was celebrated at the turn of mid-spring and late spring. Tomb-Sweeping Day is the biggest ancestor worship festival of the Chinese nation, which originated from ancestors' beliefs and spring worship customs. Tomb-Sweeping Day has two connotations of nature and humanity, which are both natural solar terms and traditional festivals. Grave-sweeping and ancestor-worship outing are two major themes of Tomb-Sweeping Day, which have been passed down since ancient times in China.

Tomb-Sweeping Day is a traditional major Spring Festival. It is a fine tradition of the Chinese nation since ancient times to sweep graves and remember our ancestors. It is not only conducive to promoting filial piety, awakening family memories, but also conducive to promoting the cohesion and identity of family members and even the nation. Tomb-Sweeping Day's integration of natural solar terms and humanistic customs is a combination of humanistic and natural conditions, which fully embodies the Chinese ancestors' pursuit of harmony between heaven, earth and people, pays attention to conforming to the right time, place and people, and follows the laws of nature.

Main customs:

Tomb-Sweeping Day, 04-06 Gregorian calendar, the activities of offering sacrifices to sweep away the ancestors (Tomb-Sweeping Day) are usually 10 days before and 10 days after Tomb-Sweeping Day. In some places, the activities of offering sacrifices to sweep away the ancestors last for one month. Tomb-Sweeping Day is one of the important "eight festivals a year" in China.

As a festival, Tomb-Sweeping Day is different from pure solar terms. Solar terms are signs of phenological changes and seasonal order, while festivals contain spiritual beliefs and customs. Ancestor belief and sacrificial culture are important factors in the formation of Tomb-Sweeping Day. Tomb-Sweeping Day is an important carrier of inheriting faith and family ethics. Qingming Festival is a cultural expression and an important way to thank ancestors and get close to human feelings.

The custom of sweeping graves to worship ancestors in Tomb-Sweeping Day has become a fixed etiquette and custom theme. During Tomb-Sweeping Day, no matter where people are, they will return to their hometown to participate in ancestor worship activities and remember their ancestors.