What is the origin of slight cold in the twenty-four solar terms?

Slight cold is the solar term from 1.5 to 1.7 in the solar calendar every year, and it is also the fifth solar term in winter. Slight cold, like severe cold, mild summer heat and severe summer heat, is a solar term indicating temperature change, and slight cold is often the coldest time of the year. Then why is Han Xiao called Han Xiao? This is compared with the "great cold", which means very cold, but it doesn't mean extremely cold.

The origin of slight cold

Slight cold is a solar term in winter and the 23rd solar term in the traditional 24 solar terms. Slight cold, like severe cold, mild summer heat, severe summer heat and intense summer heat, are all solar terms indicating temperature changes. "Twenty-four solar terms" says that "the cold is still small at the beginning of the month ... it is big at half a month", that is to say, in the Yellow River basin, the cold at that time was colder than the slight cold. And because the slight cold is still in the last few days of February 9, it will take a few days for the slight cold to enter March 9, and the slight cold in winter corresponds to the slight heat in summer, so it is called slight cold. Pay attention to keep warm in the slight cold season, and the diet can be supplemented appropriately.

The slight cold custom in La Worship

In ancient times, La Worship had a custom in the mild cold season. "Slight cold" is the solar term of the twelfth lunar month. Because the ancients would hold a La Worship to worship the gods in December, they named the place where La Worship was located as the twelfth lunar month. The wooden meaning of wax is "connection", which means the handover of the old and the new. La Worship is one of the ancient sacrificial customs in China, which was formed as far back as the pre-Qin period. Han Ying robbed the "Pass". Righteousness says: "A wax hunter hunts animals to worship his ancestors. Or if you are in Japan, you can accept it and hand in the new one. Therefore, big sacrifices will pay off. "La Worship" has three meanings. One is to show that you don't forget the origin of yourself and your family, and to express your reverence and nostalgia for your ancestors. The second is to offer sacrifices to the gods and thank them for their contribution to agriculture in the past year. Third, people work hard all year round, and at this time, farming has stopped, so have fun. La Worship customs were very popular in ancient China.

Why is slight cold called "slight cold"

Why is Han Xiao called Han Xiao? The so-called "slight cold" is compared with the "great cold" in the last solar term. "Cold" means cold, which means that it has entered the cold season of the year. At this time, cold air has accumulated for a long time, but it has not reached the coldest degree, so it is called slight cold. Astronomical experts reminded that people should strengthen physical exercise, pay attention to cold and antifreeze, especially to keep their heads, backs and feet warm, and avoid excessive dietary supplements.