Twenty-four solar terms are formulated according to the position change of the earth on the ecliptic (that is, the orbit of the earth around the sun), and each solar term corresponds to a certain position reached by the earth every time it moves15 on the ecliptic. The twenty-four solar terms are an important part of the lunar calendar and a unique creation of our ancestors in the calendar. In foreign calendars, there are only four vernal equinox, summer solstice, autumn equinox and winter solstice, which are the beginning of spring, summer, autumn and winter respectively.
In our calendar, the four seasons begin with the "four stands", that is, spring begins with the beginning of spring, summer begins with long summer, autumn begins with the beginning of autumn, and winter begins with the beginning of winter. See the solar terms table for details. The solar terms on the left in the table are called "festival" for short, and the gas on the right is called "qi" for short, which together are called "solar terms".
Beginning of spring, vernal equinox, long summer, summer solstice, beginning of autumn, autumnal equinox, beginning of winter and winter solstice. Among them, beginning of spring, long summer, beginning of autumn and beginning of winter are called "Sili", which means the beginning of the four seasons.
Introduction of 24 solar terms
1, beginning of spring: standing is the beginning, and beginning of spring is the beginning of spring. Gregorian calendar February 3-5.
2. Rain: Rain begins and increases gradually. Gregorian calendar, February1August-20.
3. Sting: Sting means hiding. Sting refers to the sudden movement of spring thunder, which awakens animals dormant in the soil and hibernating. Gregorian calendar on March 05-07.
4. Equinox: The equinox means equal share. The vernal equinox means that day and night are equally divided. Gregorian calendar on March 20-22.
5. Qingming: The weather is sunny and lush. Gregorian calendar on April 04-06.
6. Grain Rain: Rain makes a hundred valleys. With sufficient and timely rainfall, cereal crops can thrive. Gregorian calendar in April19-21day.
7. long summer: The beginning of summer. Gregorian calendar may 05-07.
8. Xiaoman: The seeds of summer crops such as wheat are full. Gregorian calendar may 20-27.
9. Miscanthus species: crops with awns such as wheat are mature. Gregorian calendar on June 05-07.
10, summer solstice: hot summer is coming. Gregorian calendar on June 21-22.
1 1, light summer heat: summer heat means hot; A slight summer heat is when the climate starts to get hot. Gregorian calendar on July 06-08.
12, summer heat: the hottest time of the year. Gregorian calendar on July 22-24.
13, beginning of autumn: the beginning of autumn. Gregorian calendar on August 07-09.
14, summer: the place means to stop and hide. Summer is the end of a hot summer day. Gregorian calendar on August 22-24.
15, Bailu: The weather turned cold, and the dew was condensed and white. Gregorian calendar on September 07-09.
16, autumnal equinox: divided equally between day and night. Gregorian calendar on September 22-24.
17, cold dew: dew is cold and will freeze. Gregorian calendar1October 08-09.
18, first frost: It's getting colder and frosty. Gregorian calendar1October 23-24.
19, beginning of winter: the beginning of winter. Gregorian calendar 1 1 month 7-8.
20. Xiaoxue: It means it begins to snow. Gregorian calendar 1 1 month 22-23.
2 1, heavy snow: with the increase of snowfall, there may be snow on the ground. Gregorian calendar1February 6-8.
22. Winter Solstice: The cold winter is coming. Gregorian calendar1February 21-23.
23, slight cold: the climate began to be cold. Gregorian calendar 1 month 5-7.
24. Great Cold: The coldest time of the year. Gregorian calendar 1 month 20-21day.
Refer to Baidu Encyclopedia-Twenty-four solar terms for the above contents.