When is the start date of winter in 2020?

"The ancients thought that the qi of autumn and winter was handed over to the beginning of winter. After "beginning of winter", "the west wind gradually blows the north wind", and winter comes. We have a folk custom of' beginning of winter makes up for winter'. It is said that jiaozi made it up, so that you will not be afraid of the cold in winter. " Luo Weiwei said.

After "beginning of winter", the sunshine gradually became shorter, and the temperature continued to drop. "Red leaves are everywhere" and "Today is colder than last night". Although sunny, comfortable and warm "Xiaoyangchun" weather happens occasionally, there is a strong trend of cold air and activities begin to be frequent.

Around "beginning of winter" is the season of high incidence of respiratory infectious diseases such as influenza. Luo suggested that citizens should pay attention to adding clothes at any time, develop healthy and good lifestyles and habits, get together less, wash their hands frequently, ventilate frequently, wear masks and keep a certain social distance.

Extended data

As the first solar term in winter, it starts around165438+1October 8 every year, when the sun reaches 225. Because of the latitude difference between north and south in China, the real winter is not always based on "beginning of winter", but on the continuous temperature below 10℃.

But in the traditional concept, "winter" means "end", which means ending. After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon. China regards beginning of winter as the beginning of winter.