1. Beginning of Spring: February 4 or 5 every year, which is the beginning of spring.

2. Rain: Every year on February 19th or 20th, when winter turns to spring, the temperature begins to rise and the air humidity continues to increase, but cold air activities are still very frequent.

3. Waking of Insects: Every year on March 5 or 6, it means that hibernating organisms that have been hibernating in the soil in winter begin to move. Before and after the Waking of Insects, it is cold and warm at first, and the temperature and wind change greatly.

4. Vernal Equinox: On March 20 or 21 every year, the sun shines directly on the equator, and the day and night are almost equal in length. Overwintering crops in vast areas of my country will enter the spring growth stage.

5. Qingming Festival: On April 4 or 5 every year, the temperature rises and the weather gradually becomes warmer.

6. Grain Rain: On April 20 or 21 every year, there is more rain, which is beneficial to the growth of cereals.

7. Beginning of Summer: On May 5 or 6 every year, all things grow and flourish.

8. Xiaoman: On May 21st or 22nd every year, the grains of summer crops such as wheat begin to be full but not mature.

9. Eawn: On June 5 or 6 every year, the sun moves to 75 degrees of ecliptic longitude. Wheat and other awning crops are mature and seeds can be collected.

10. Summer Solstice: On June 21 or 22 every year, the sun shines directly on the Tropic of Cancer, and "the sun reaches the north, the sun reaches the longest, and the sun's shadow reaches the short", so it is called the "summer solstice."

11. Slight Heat: On July 7 or 8 every year, the summer heat begins, marking the entry of the hot season in most areas of our country.

12. Great Heat: July 22 or 23 every year, around the time of the midsummer period. This period is the hottest period of the year in most areas of our country, but there are also abnormal years where "the heat is not hot" and there is too much rain.

13. Beginning of Autumn: On August 7th or 8th every year, the vegetation begins to bear fruit, and it is the harvest season.

14. End of Heat: On August 23 or 24 every year, "End" means the end. When the summer heat is about to end, the weather will become cooler. Since it is the time of autumn harvest, precipitation is very precious.

15. White Dew: Every year on September 7th or 8th, due to the obvious shift of the direct sun point to the south, the temperature in various places drops rapidly, the weather is cool, and the water vapor close to the ground forms white on the grass and trees at night. Dewdrops, hence the name "white dew".

16. Autumn Equinox: On September 23 or 24 every year, the direct sunlight returns to the equator, making day and night equal in length.

17. Cold Dew: October 8 or 9 every year. At this time, the direct point of the sun begins to move southward, the temperature in the northern hemisphere continues to drop, the weather becomes colder, and the dew is very cold, so it is called "cold dew wind".

18. Frost Descent: Every year on October 23 or 24, the first frost period in the Yellow River Basin is usually in late October, which coincides with the "Frost Descent" season. Frost is very harmful to growing crops.

19. Beginning of Winter: Winter begins on November 7 or 8 every year

20. Light snow: On November 22 or 23 every year, the cold air in the north strengthens. The temperature drops rapidly and snowflakes appear in the precipitation, but this is the first snow stage, the amount of snow is small, and the frequency is not many. Snow mostly falls after the "light snow" solar term in the Yellow River Basin.

21. Heavy snow: December 7 or 8 every year. At this time, the direct point of the sun is close to the Tropic of Capricorn, and the days are short and the nights are long in the northern hemisphere.

22. Winter Solstice: December 22 or 23 every year. At this time, the sun almost shines directly on the Tropic of Capricorn, and the northern hemisphere forms the southern solstice, the short solstice, and the long shadow solstice, which becomes the solstice of the year. The shortest day. After the winter solstice, the days in the northern hemisphere become longer and the temperature continues to drop, reaching the lowest temperature of the year.

23. Xiaohan: January 5th or 6th every year, when the climate starts to get cold.

24. Big Cold: January 20 or 21 every year is the coldest time of the year.