What does it mean to type an agricultural proverb twice a year?

Playing spring twice a year means that there are two "beginning of spring Boxing Days" within one year of the lunar calendar.

Standing means "start"; Spring represents warmth and growth. Twenty-four solar terms were originally formulated on the basis of "variable stars". When the bucket handle of the Big Dipper points to the shade, it is beginning of spring.

At present, solar terms are determined according to the longitude of the sun. When the sun reaches longitude 3 15, it will be the beginning of spring, and the festival will be held from February 3 to 5 of the Gregorian calendar every year.

Extended data

In early spring, westerly jet, the southern branch of East Asia, began to weaken, while the strength and location of westerly jet, the northern branch of East Asia, remained basically unchanged. The Mongolian cold high and Aleutian low are relatively strong, but in the interval affected by strong cold air, the frequency of southerly wind increases, accompanied by obvious warming process. Since the Spring Festival, the time series has entered the spring. In nature and people's minds,

"Spring" means warm weather and the revival of everything. Spring has begun. In nature, the most striking feature is that everything is beginning to show signs of recovery. In beginning of spring, you can obviously feel the breath of early spring in the Tropic of Cancer and its south of China.

In most parts of northern Israel, it can only be said that it is a prelude to spring. Everything has not recovered, it is still in the winter when everything is closed, and it is still snowing in some places. The area north of the Tropic of Cancer (Jiao Jiao, Huangchi), the farther away from Jiao Jiao, the later the spring comes.