What is the date and time of 202 1 beginning of spring?
Standing means "start"; Spring represents warmth and growth. Twenty-four solar terms were originally formulated according to "variable stars". When the bucket handle of the Big Dipper points to the cloudy, it is beginning of spring. The current 24 solar terms are divided according to the "longitude of the sun". When the sun reaches longitude 3 15, it will be beginning of spring. Beginning of spring is the beginning of all things and the meaning of all self-renewal, which means that a new cycle has begun.
Extended data:
Climatic characteristics:
"beginning of spring" is a seasonal solar term, which marks the beginning of spring and represents warmth and growth. "Li Si" marks the rotation of four seasons, and reflects the laws of phenology, climate and many other changes, such as spring, summer, autumn and winter, winter storage, sunshine, rainfall and temperature. Beginning of spring symbolizes the rising of yang, the revival of everything and the beginning of a new year.
After beginning of spring, the spirit of the sun began to rise, the sunshine increased, and the days became longer, which meant that the winter when everything was hidden ended and the growing season began. Everything gradually recovered and the weather began to get warmer. Only the southern Lingnan, which is located at the intersection of Huangchi and Jiao Jiao, really enters the spring, and the breath of early spring has come to my face;
In the north, everything is still bleak, and it is still snowing in some places. Beginning of spring, more can only be said to be a prelude to spring, has not yet entered the spring. China has a vast territory, complex geographical conditions and great differences in climate, so the specific climate significance of "Li" does not apply to all parts of the country. "Li" is just a reference in many areas.
In the climatology of modern China (climate average temperature), the starting date when the daily average temperature rises above 10℃ every five days is often regarded as beginning of spring.
Baidu Encyclopedia-beginning of spring