What are the four solar terms?

Winter snow refers to beginning of winter, light snow, heavy snow and winter solstice.

Original text:

Spring rain shocks spring and clear valley days, summer is full of mountains and summer is connected with heat, autumn dew is cold and frost, and winter snow drifts.

Twenty-four solar terms are unique in China calendar, which first appeared in the Warring States Period. It shows 24 different positions of the earth in orbit and describes the law of climate change in a year. The apparent motion of the earth around the sun is 360 degrees, divided into 24 equal parts (initially divided into 12 equal parts), and each part of 15 degrees (about half a month) has a solar term.

There are 24 solar terms throughout the year, namely: beginning of spring, Rain, Sting, Vernal Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, Dashu, beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Winter Solstice, Slight Cold, Heavy Snow.

Extended data

Beginning of winter: the war refers to the northwest; The meridian of the sun is 225 degrees. The beginning of winter. Gregorian calendar165438+1October 7-8.

Xiaoxue: Fighting refers to yourself; The meridian of the sun is 240 degrees. This means it's starting to snow. Gregorian calendar165438+1October 22-23.

Heavy snow: fighting fingers; The meridian of the sun is 255 degrees. As the snowfall increases, there may be snow on the ground. Gregorian calendar 65438+February 6-8.

Solstice of winter: fighting fingers; The meridian of the sun is 270 degrees. The cold winter is coming. Gregorian calendar 65438+February 2 1-23.

References:

Baidu Encyclopedia-solar term song