Where did the twenty-four solar terms originate?

Twenty-four solar terms originated in the Yellow River Basin.

Twenty-four solar terms are the accumulation of long-term experience and the crystallization of wisdom of ancient Han working people. As early as the Spring and Autumn Period, four solar terms, namely, mid-spring, mid-summer, mid-autumn and mid-winter, were set, and they were constantly improved and perfected. By the Qin and Han Dynasties, the 24 solar terms had been completely established.

The meaning of the twenty-four solar terms:

1, beginning of spring: It is a solar term that started in beginning of spring, indicating that the severe winter has passed and the temperature is beginning to rise.

2. Rain: It means that most parts of China have been thawed by ice, the temperature has risen, the humidity has increased, and the rain has gradually increased.

3. Stunned: When the weather gets warmer, the spring thunder starts to shake, and the hibernating animals that are dormant in the soil will wake up.

4. Equinox: On this day, the northern and southern hemispheres are equal day and night. After this day, the direct position of the sun moves northward, and the days in the northern hemisphere are long and the nights are short, so the vernal equinox begins in the northern hemisphere in spring.

5. Tomb-Sweeping Day: The weather in Tomb-Sweeping Day is getting warmer, and the average temperature in most areas of the Yellow River Basin has risen above 10 degrees, and the temperature in the Yangtze River Basin is even higher. The vegetation in the north has sprouted and turned green, and the land in the south has been covered with green clothes.

6. Grain Rain: In Grain Rain, the temperature and ground temperature rise steadily, and the rainfall increases, which is beneficial to the growth of five grains, so there is a saying that "rain gives birth to a hundred grains".

7. Long summer: it means that spring goes to summer, which is the beginning of summer and then enters summer.

8. Xiaoman: It means that the seeds of summer crops are full, but not yet mature, just small and not yet full.

9. Miscanthus: Summer crops such as wheat with awns and silkworm peas are about to mature in this solar term, so it's time to harvest and keep seeds.

10, summer solstice: During the summer solstice, the sun is almost directly above the Tropic of Cancer, and the sun is the highest in the northern hemisphere at noon. At this time, the northern hemisphere has the longest day and the shortest night. From this day on, it entered the hot season, when everything in the world grew most vigorously.

1 1, Xiaoshu: It is already very hot at this time, but it is not the hottest time, so it is called Xiaoshu.

12, Great Summer: Great Summer is the hottest solar term in a year. Before and after the second volt, the high temperature weather of 40℃ often appears in many places in the Yangtze River basin.

13, beginning of autumn: beginning of autumn means that from this day on, autumn begins, the autumn is crisp and the moon is clear.

14, summer heat: As soon as the summer heat is over, the summer heat will dissipate, which is a symbol of the cooling climate and indicates the end of summer.

15. White dew: When it is white dew, the weather turns cold and the water vapor on the ground condenses.

16, autumnal equinox: the autumnal equinox is the same as the vernal equinox. The sun shines almost directly on the equator, and day and night are almost equal.

17, cold dew: After the white dew, the weather turned cold and dew began to appear. When it comes to cold dew, there is more dew and the temperature is lower.

18, first frost: there is frost, so it is called first frost.

19, beginning of winter: beginning of winter is beginning of winter.

20, Xiaoxue: Xiaoxue's temperature dropped and it began to snow, but it was not the season of heavy snow, so it was called Xiaoxue.

2 1, heavy snow: Before and after the heavy snow, there was snow in the Yellow River basin, but in the north, it was already the severe winter of "thousands of miles frozen, and snow drifted in Wan Li".

22. Solstice in winter: On the winter solstice, the sun shines almost directly on the tropic of Capricorn, with the shortest day and the longest night, and it begins to enter several cold days.

23. Slight cold: After the slight cold, it begins to enter the cold season, indicating that the weather is cold but not extreme.

24. Great cold: Great cold means extremely cold weather. Around is the coldest season of the year, just after March 9th and early April 9th.