What are the solar terms under the first frost?

Beginning of winter, one of the twenty-four solar terms, bucket handle points to the northwest, and the longitude of the sun reaches 225, which intersects with Gregorian calendar165438+1October 7-8 every year. Beginning of winter is a seasonal solar term, which means that it has entered winter since then. Stand still, build the beginning; In winter, everything will be collected in the end. Beginning of winter means that anger begins to close and everything enters a state of recuperation. Its climate has also changed from dry autumn to rainy and cold winter.

After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon. In winter, northeast winds and north winds prevail, and the temperature drops gradually. Because there is still some energy in the heat stored on the surface, it is generally not very cold in early winter. As time goes by, strong cold air frequently goes south and crosses Nanling, and the weather is getting colder and colder. In the north, it is already very cold before winter begins.