Solar terms ◎ spring equinox. It is one of the twenty-four solar terms, the fourth solar term in spring. The Sun has a yellow longitude of 0 °, and it is celebrated on March 19-22 of the Gregorian calendar every year.
In terms of climate, there are also more obvious characteristics, except for the Qinghai-Tibet Plateau, northeast China, northwest China and northern China have entered a bright spring.
After the spring equinox, the climate is mild, rainy and sunny. During the spring equinox, Chinese folk have customs such as flying kites, eating spring vegetables, and standing eggs.
(Photo by Wang Tao)