An encyclopedia of knowledge about beginning of winter.

1, beginning of winter, is the 19th of the 24 solar terms. Bucket handle points to the northwest, the longitude of the sun reaches 225, and it 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 gradually changed from dry autumn to rainy and cold winter.

2. After beginning of winter, the sunshine time will continue to shorten, and the noon sun height will continue to decrease. 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, cold air activities become more and more frequent, and the downward trend of temperature accelerates.

Beginning of winter is the first solar term in winter, which represents the beginning of winter. Beginning of winter is also one of the seasonal nodes that China people attach great importance to. This is a time to enjoy a bumper harvest and recuperate. Through the rest in winter, I look forward to a rich life in the coming year. Beginning of winter is one of the "four seasons and eight festivals" in ancient society, and it is a very important festival. In some parts of China, there are customs such as ancestor worship and drinking.

4, beginning of winter season, the sun has reached 225 degrees, the northern hemisphere get less and less solar radiation, but at this time because the surface heat still has some energy storage in the second half of the year, so the early winter is generally not too cold. In winter, the northeast wind and the north wind are the main winds.

In southern China, sunny, warm and comfortable "Xiaoyangchun" weather often appears from beginning of winter to Xiaoxue. There is a folk saying that "it's sunny in October". As the saying goes, "it's warm in August and warm in September, and it's sunny in October". Generally, it is not very cold in early winter in the south, but with the passage of time, cold air frequently goes south and the temperature gradually drops. In the northern part of South China in early winter, the temperature will rise rapidly even if the cold wind sweeps. When there is no wind on a sunny day, it is often said that "October is sunny and there is no wind to warm". In the area near the north of Huaihe River in Qinling Mountains, cold air frequently appears, and cooling has become the normal state of this season. In the northeast and northwest regions, it is already a scene of heavy snow, especially in the northeast Heilongjiang region, which is extremely cold and has entered the winter before the arrival of beginning of winter. The red and yellow scene in northwest autumn has not completely faded, but the snow has already fallen.