What does the great cold solar term mean?

1, Great Cold, the last of the 24 solar terms, is the annual1October 20-22, 65438+ Great Cold solar term. It means the end of four o'clock and the beginning of a new year. After the severe cold, beginning of spring will usher in a new year's solar cycle.

2. In the severe cold season, cold waves frequently go south, which is the coldest period in most parts of China. Severe cold, like slight cold, is also a solar term representing the degree of cold weather. In ancient China, the Great Cold was divided into three stages: "One stage is chicken milk; Second, the symptoms of bird disease; Three times, the water is strong. " Among them, the third period can especially show that the temperature of the great cold is extremely low: at this time, the ice in the water can freeze to the center of the water, and it is thick and firm. Judging from these records, it seems that the Great Cold should be colder than the Minor Cold. But in fact, because it is close to spring, it may not be as cold as before.