Why is the winter solstice called the winter solstice?
The winter solstice Meaning
The winter solstice means that winter has arrived, but the winter in China does not start from the winter solstice, but from the beginning of winter, that is to say, it is one and a half months earlier than the winter solstice.In the West, winter begins from the winter solstice.This is because, in the past, China’s calendar was set in the north or central (Xi’an, Luoyang, Kaifeng) area.Due to the local climate, the ocean is not obvious, and the changes of the four seasons are obvious.The temperature in winter is definitely not the temperature of the oceanic climate.Low, so the cold weather is carried out early (this is caused by the difference in specific heat capacity of land and water), generally one and a half months earlier.Therefore, the beginning of winter is considered to have entered winter, and the west is considered to enter winter from the winter solstice!
The origin of the winter solstice
"The winter solstice festival originated in the Han Dynasty, flourished in the Tang and Song Dynasties, and has been around since then."Qing Jialu" even has the saying that "the winter solstice is as big as the year", which shows that the ancients attached great importance to the winter solstice.People believe that the winter solstice is the natural transformation of yin and yang, and it is a blessing bestowed by God.The Han Dynasty used the winter solstice as the "winter festival" , the government will hold a congratulatory ceremony called "He Dong", a routine holiday.".The current "24 solar terms" come from the method established more than 300 years ago (in use since 1645) to determine the solar terms according to the position of the sun on the ecliptic, that is, in a "ecliptic" with a circumference of 360 degrees ( The apparent path of the sun on the celestial sphere in a year) is divided into 24 equal parts, each 15° is an equal part, with the vernal equinox as the starting point of 0 degrees (the beginning of spring is still listed as the first place in the sorting), and arranged according to the number of ecliptic longitudes.
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