The Great Cold is the last of the 24 solar terms. Fighting refers to ugliness; The longitude of the sun is 300; Gregorian calendar 65438+1October 20th -2 1. Like slight cold, great cold is also a solar term indicating the degree of cold weather. There is a folk saying that "a slight cold is the most important thing, and it is cold without wind." Great cold is an extremely cold season in traditional solar terms. In some parts of China, severe cold is not as cold as slight cold, but in the southern coastal areas of China, the lowest temperature will still appear in the severe cold solar terms.