What do beginning of winter and the winter solstice mean?

Beginning of winter means the beginning of winter, and "beginning of winter" means the beginning; At this time, the weather began to change from cold to cold. The solstice of winter means that winter has arrived, which means "to"; It's getting cold at this time.

Beginning of winter is the 19th of the 24 solar terms and the beginning of winter. Bucket handle points to the northwest, and the longitude of the sun reaches 225, which intersects with Gregorian calendar165438+1October 7-8 every year. Beginning of winter means that anger begins to close and everything enters a state of recuperation. Its climate has also changed from dry autumn to rainy and cold winter.

Winter solstice, also known as solstice, winter festival, Asian New Year, etc. , is not only an important solar term among the 24 solar terms, but also a traditional folk ancestor worship festival in China. The solstice in winter is one of the eight festivals in four seasons, and it is considered as a big holiday in winter. In ancient times, there was a saying that the winter solstice was as big as a year. In southern China, there are customs of offering sacrifices to ancestors and enjoying the winter solstice. In northern China, it is a custom to eat jiaozi from winter to Sunday every year.

Historical evolution of winter solstice

China's astrological culture has a long history and is profound. The twenty-four solar terms were originally formulated on the basis of changing stars. In different seasons and at different times, the Big Dipper will point in different directions, that is, "bucket handle points to the East, and the world is spring; Guide to barrel handle, it's summer in the world; Bucket handle refers to the west, and the world is autumn; Bucket handle refers to the north, and it is winter in the world. " .

"Twenty-four solar terms" is the product of ancient farming civilization, which is related to the time of gossip and has a long history. During the period of Emperor Wu of the Western Han Dynasty, the "twenty-four solar terms" were absorbed into the taichu calendar law as a supplement to the calendar to guide the agriculture in the northern Central Plains, and the "twenty-four solar terms" were measured in the Yellow River basin by the method of Tuguiriying.

The current "twenty-four solar terms" are determined according to the position of the sun on the ecliptic, that is, on a "ecliptic" with a circumference of 360 degrees (the apparent path of the sun on the celestial sphere for one year), the spring is divided into 0 degrees, and every time the sun runs on the ecliptic, 15 degrees is a "solar term". In the process of inheritance and development, the 24 solar terms have been incorporated into the lunar calendar and become an important part of the lunar calendar.