During Major Cold, as the cold current moves southward, the weather is very cold. Although modern meteorological observation shows that in some regions of China the weather during Major Cold is not colder than Minor Cold, the lowest temperatures of the whole year still occur in the Major Cold period in some coastal areas.
Winter is a time for all lives to hide. When everything is hiding from the cold, human body’s supersession is also very slow. During this period, people should sleep early and get up late, and try to save the Yang Qi inside the body.
Solar terms originated in China, then spread to Korea, Vietnam, and Japan. This is exhibited by the fact that traditional Chinese, Hanja, and Kanji characters for most of the solar terms are identical.
