What are the 24 solar terms?

Among the 24 solar terms are: beginning of spring, Rain, Sting, Spring Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Slight Summer, beginning of autumn, Early Summer, White Dew, Autumn Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Winter Solstice, Slight Cold and Great Cold.

Twenty-four solar terms are special festivals in the calendar to express the change of natural rhythm and establish "December architecture", which contains a long cultural connotation and historical accumulation and is an important part of the long history and culture of the Chinese nation. Four years old, three months in spring, summer, autumn and winter, two solar terms each month, each solar term has its own unique meaning. Twenty-four solar terms accurately reflect the change of natural rhythm and play an extremely important role in people's daily life. It is not only a seasonal system that guides agricultural production, but also a folk system that contains rich folk customs.

"Twenty-four solar terms" is the product of ancient farming civilization. It is a knowledge system formed by ancient ancestors following the farming season and observing the movement of celestial bodies to understand the changing laws of seasons, climate and phenology in a year. The twenty-four solar terms were originally formulated according to the changes of stars. The Big Dipper rotates once and bucket handle rotates once clockwise, which is called one of the "years" (Figure). The current "twenty-four solar terms" are formulated according to the position of the sun on the return to the ecliptic, that is, the annual movement track of the sun is divided into 24 equal parts, each 15 is 1, and each 1 is a solar term, starting in beginning of spring and ending in severe cold.

spring

Beginning of spring: bucket handle fingering: fighting fingers; Solar longitude degree method: the solar longitude degree is 3 15 degrees. Gregorian calendar February 3-5. Beginning of spring is the beginning of silver moon calendar.

Rain: fighting refers to yin; The longitude of the sun is 330 degrees. Gregorian calendar February 18-20.

Stunned: fighting nails; The meridian of the sun is 345 degrees. Gregorian calendar 05-07 March. Jing Ke is the beginning of Uzuki in Ganzi Prefecture.

Vernal equinox: fighting finger; The meridian of the sun is 0 degrees. March 20-22 of Gregorian calendar.

Qingming: bucket handle's fingering: Dou refers to B; Photometric method: from winter to the future 105 days; Degree method of the yellow meridian: the solar yellow meridian is 15. Gregorian calendar 04-06 April. Qingming is the beginning of the calendar.

Grain Rain: Dou Chenzhi; The meridian of the sun is 30 degrees. Gregorian calendar April 19-2 1.

summer

Long summer: fighting fingers; The longitude of the sun is 45 degrees. Gregorian calendar 05-07. Long summer is the beginning of Ganzhili in Mitsuki.

Xiaoman: fighting refers to the third; The meridian of the sun is 60 degrees. Gregorian calendar may 20-22.

Mang species: bucket finger c; The meridian of the sun is 75 degrees. Gregorian calendar 05-07 June. The awn seed is the beginning of the noon month in the dry calendar.

Summer solstice: fighting refers to noon; The meridian of the sun is 90 degrees. Gregorian calendar June 2 1-22. ?

Summer heat: fighting fingers; The solar calendar is 105. Gregorian calendar 06-08 July. The summer heat is the beginning of the last month of the dry calendar.

Summer heat: fighting refers to no; The solar calendar is 120. July 22-24 of Gregorian calendar.

autumn

Beginning of autumn: Dou Zhikun; The solar line is 135. Gregorian calendar 07-09 August. Beginning of autumn is the beginning of applying for the moon in the official calendar.

Xia: Fighting refers to Shen; The solar line is 150. August 22-24 of Gregorian calendar.

White deer: fighting refers to Geng; The solar line is 165. Gregorian calendar 07-09 September. Millennium is the beginning of a single month in the dry calendar.

Autumnal equinox: fighting refers to unitary; The solar line is 180. Gregorian calendar September 22-24.

Cold dew: fighting refers to Xin; The solar line is 195. Gregorian calendar 18-09 10 month. Cold dew is the beginning of the full moon in the dry calendar.

First frost: fingers; The longitude of the sun is 2 10. Gregorian calendar 65438+1October 23-24.

winter

Beginning of winter: dry fingers; The meridian of the sun is 225 degrees. Gregorian calendar165438+1October 7-8. Beginning of winter is the beginning of the official calendar.

Xiaoxue: refers to the sea; The meridian of the sun is 240 degrees. Gregorian calendar165438+1October 22-23.

Heavy snow: fighting fingers; The meridian of the sun is 255 degrees. Gregorian calendar 65438+February 6-8. Heavy snow is the beginning of the calendar month.

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

Slight cold: fighting fingers; The meridian of the sun is 285 degrees. Gregorian calendar 65438+1October 5-7. A slight cold is the beginning of an ugly month in the calendar.

Great cold: fighting refers to ugliness; The longitude of the sun is 300 degrees. Gregorian calendar 65438+1October 20th -2 1.