The beginning of the definition of spring

Beginning of spring, also known as "",is the first of the 24 solar terms in China [1], and "beginning of spring" means "beginning". China takes beginning of spring as beginning of spring [6], and beginning of spring is when the sun reaches 3 15 degrees on February 4th or 5th every year.

The dividing line between winter and spring in beginning of spring and China (when the average temperature reaches 65,438+00 degrees Celsius for five consecutive days, it is regarded as spring), from Guilin, Guangxi to Ganzhou, Jiangxi. In the area south of this line, beginning of spring sometimes smells like spring, but 93% of the land in China is still winter, while in Heilongjiang, it is often long summer and spring, and in Grain Rain. The so-called beginning of spring is just a "conception". Beginning of spring, the symbol determined in ancient times is the thawing of the east wind; The sign of the beginning of winter is that water begins to freeze.

So the ancients used freezing and thawing to define winter and spring. However, according to modern meteorological standards, beginning of spring is ahead of schedule, but it is actually welcoming the Spring Festival. In spring, the temperature began to rise, and sunshine and rainfall began to increase. But for most parts of the country, this is just a prelude to spring. Beginning of spring ranks third in cold degree among all solar terms. According to the seasonal standard of meteorology, 93% of China is still in winter.