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The winter solstice, commonly known as the "Winter Festival", "long to the festival" or "Asian" and so on. The winter solstice has both natural and humanistic connotations. It is not only an important solar term in the 24th solar terms, but also a common traditional festival of the Chinese nation. The winter solstice is regarded as the big festival in the winter. In ancient times, there was a saying that the winter solstice was as big as the year. In ancient times, people who drifted in the field had to go home for the winter season at this time. The so-called "end of the year." In many areas, there are customs such as ancestor worship on the winter solstice day, and there are still some places to celebrate the festival on the winter solstice. 
 

The winter solstice time is on December 21-23 of the annual calendar. It is worth noting that because the Earth is located near the sun point around the winter solstice, the speed of operation is slightly faster, which causes the sun to shoot directly into the southern hemisphere in a year shorter than the time of the direct northern hemisphere, so the winter in the northern hemisphere is slightly shorter than in the summer. some.

In ancient times, there was a saying that "winter solstice is a yang", that is to say, from the day of the winter solstice, the yang slowly began to rise. The ancients said: the cathode is the beginning of the yang, the sun is coming to the south, the day is short, the day is long, so the "winter solstice". The ancients believed that since the winter solstice, the heavens and the earth yang began to flourish, the winter solstice was a yang, and the heavens and the earth yang rose, so the ancients regarded the winter solstice as auspicious day.