What are some tips about beginning of winter and beginning of winter?

1, beginning of winter is the 19 solar term among the 24 solar terms, and it is also the first solar term in winter, and its solar term starts on1October 7 or 8 every year, 165438, and starts when the longitude of the sun reaches 225.

2. The almanac says: "Dou refers to beginning of winter in the northwest. Winter is over, and when I was in beginning of winter, everything was over, hence the name beginning of winter. " "Twenty-four solar terms" said: "Li, also? In winter, in the end, everything is collected. " In ancient China, people used to regard beginning of winter as the beginning of winter. In fact, China is a vast country. All winters don't start at the same time except the coastal areas of South China where there is no winter all the year round and the Qinghai-Tibet Plateau where there is no summer in long winter.

3. If the average temperature in the second half of the year is lower than 10℃ as the climatological standard to divide winter, the statement that "beginning of winter started in winter" basically conforms to the climate law in Huanghuai area. In the northernmost part of China, the areas north of Mohe and Daxing 'anling have entered the winter in early September, and Beijing has become a winter scene in late June 10, while the winter in the Yangtze River basin will not really start until around the "light snow" solar term. However, after winter, the amount of solar radiation in the northern hemisphere becomes less and less. However, due to the excess heat stored on the surface in the second half of this year, it is generally not too cold. When there is no wind on a sunny day, there is always warm and comfortable "Xiaoyangchun" weather, which is very pleasant. But at this time, the cold air in the north also has a strong force, often invading the south frequently, and sometimes it will form a cold wave weather with strong winds, cooling rain and snow.

4. According to the average situation for many years, 165438+ 10 is the month with the most cold waves. Severe cooling, especially abnormal cold and warm weather, has a serious adverse impact on people's lives and health. Therefore, in this solar term, we should pay attention to the weather forecast and keep warm and cold in time according to the weather changes.