What is the date of this year's severe cold?

In 2023, the severe cold this year was 65438+1October 20th.

Great cold is the last of the 24 solar terms, which means ugly; The solar meridian reaches 300; Every year around 65438+1October 20th in Gregorian calendar, severe cold, like slight cold, is a solar term indicating the degree of cold weather. Great cold is extremely cold weather, and the great cold solar term is from March 9 to April 9. At this time, the cold wave frequently moves south, which is the coldest season of the year.

At the end of the year, winter goes to spring, and after the great cold, a new cycle begins. In some parts of our country, during the Great Cold to beginning of spring, there were many important folk customs, such as taking off old cloth, making bacon, offering sacrifices to stoves, ending gluttony, also known as "making teeth" and "making gluttony". Some people will sit together and "eat their tail teeth" after eating a sumptuous food.

Meteorological change

During the severe cold solar term, the atmospheric circulation is relatively stable, and the adjustment period of circulation is about 20 days. During this circulation adjustment, there are often large-scale rain, snow and strong winds. When the west of 80 degrees east longitude is a long wave ridge and East Asia is a coastal trough, under the influence of northwest wind and constantly supplemented cold air, China will have a sustained low temperature. In some parts of China, severe cold is not as good as mild cold, but in the southern coastal areas of China, the lowest temperature in the whole year appears in the severe cold solar terms.

Great cold and slight cold are solar terms indicating the cold weather. According to the statistics of perennial climate data in China, the coldest period of a year in northern China is in the middle of June 5438+ 10 (June 5438+0 1-20), and the annual slight cold solar term starts from June 5438+1October 5-7, and the solar term is about/kloc-0.