Introduction of Winter Solstice

The winter solstice, also known as the short solstice, the winter festival, the year of the year, etc., both natural and human connotations, is an important festival in the twenty-four seasons, but also a traditional Chinese folk festival. The winter solstice is one of the four seasons and eight festivals, and is regarded as a big festival in winter, and in ancient folklore, the winter solstice is as big as a year. Winter solstice customs vary from region to region, and there are differences in the content or details of the customs. In southern China, there are winter solstice ancestor worship, feasting customs. In northern China, it is customary to eat dumplings on the winter solstice every year.

The winter solstice is the "twenty-four solar terms" of the 22nd solar term, the bucket refers to the son, the sun's yellow longitude reaches 270 °, in the annual calendar December 21, 22, or 23 intersection. The winter solstice is the extreme southward movement of the sun, the sunlight on this day directly to the Tropic of Capricorn, the sunlight on the northern hemisphere is the most tilted. As a result, the winter solstice is the day when the sun is at its lowest altitude in the northern hemisphere, and it is also the shortest day of the year in the northern hemisphere, and the further north the shorter the day. North of the Arctic Circle, the sun is below the horizon for the entire day, making it the day of the year with the widest polar night in the Northern Hemisphere.

The winter solstice is a day when the sun is low and the days are short, but meteorologically, it is not the lowest temperature. In fact, due to the surface of the earth is still "heat", before the winter solstice is usually not very cold, the real cold in the winter solstice after. Due to the wide range of climates across China, this climatic significance of winter is obviously late for most parts of the country. When the winter solstice, marking the upcoming cold season, the folk began to "count nine" to calculate the cold days (folk proverb: "the summer solstice three g into the ambush, the winter solstice, Feng Nong count nine).