In ancient China, beginning of winter was divided into three stages.

Beginning of winter is the 19th of the 24 solar terms and the beginning of winter. Bucket handle points to the northwest, the longitude of the sun reaches 225, and the Gregorian calendar165438+1October 7-8 intersects every year. 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. [ 12][ 13]

The commonly used methods of season division mainly include "solar terms method" and "temperature method". China traditionally takes the "beginning of winter" with "twenty-four solar terms" as the beginning of winter; The winter divided by the "solar terms law" means that everything enters a state of recuperation. According to the "temperature method", winter begins when the average temperature of the day falls steadily below 10℃ for five consecutive days. Winter divided by temperature means cold weather. [25][26][27]

Beginning of winter, which represents the beginning of winter, is one of the seasonal nodes that China people attach great importance to. Spring ploughing, summer harvest and winter storage, winter is the season to enjoy harvest and rest. Beginning of winter is also 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.