What does the twenty-four solar terms mean?

Beginning of spring, Rain, Sting, Equinox, Qingming, Grain Rain.

Long summer, small full, busy, summer solstice, small heat, big heat.

Beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew and First Frost.

Beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold.

Time and meaning of each solar term:

1, beginning of spring: On February 3-5, the sun reached the longitude of 3 15 degrees. "Li" means beginning, which means that the spring of everything's recovery has begun, the weather is getting warmer and everything is recovering, which marks the beginning of agricultural activities.

2. Rain: On February 18-20, the sun moved to 330 degrees longitude, indicating that the climate gradually warmed up, the snow and ice melted, the rain gradually increased, and the air humidity continued to increase, but the cold air activity was very frequent.

3. It stinks: On March 5-7, the sun moved to the longitude of 345 degrees. Spring thunder began to roar, awakening insects and small animals that had been hibernating in the soil. In winter, eggs are about to hatch. This solar term means that spring is getting stronger and stronger, and the temperature is rising, but when it is warm, the temperature and wind force change greatly.

4. Equinox: On March 2 1-22, the sun moves to 0 degrees and the sun shines directly at the equator. "Minute" means "half" and is the midpoint of 90 days in spring, which is called vernal equinox. This day is equal to day and night, and the overwintering crops in vast areas of China have entered the spring growth stage.

5. Tomb-Sweeping Day: On April 5-6, the sun moves to 15 degrees. This solar term shows that the temperature has warmed, plants are sprouting and beautiful scenes have appeared in nature.

6. Grain Rain: From April 19 to April 2 1 day, the sun moves to the longitude of the Yellow River at 30 degrees. "The rain produced hundreds of valleys. "Since that day, the rainfall has increased, which is conducive to grain growth.

7. Long summer: May 5 -6, this solar term means that summer begins, everything grows, hot weather is coming, and agricultural activities have entered the busy season of summer.

8. Xiaoman: On May 20-22, summer sowing crops such as wheat were full but immature.

9. Miscanthus: On June 5-7, the sun moved to 75 degrees of the yellow meridian. "Mang" refers to the fine hairs at the tip of the shell. In the north, it is the time to cut wheat and plant rice, and it is also the busy season of agriculture. Summer harvesting, summer management and timely summer sowing are necessary.

10, summer solstice: June 20-22, when the sun moves to 90 degrees of the yellow longitude. The sun shines directly on the Tropic of Cancer, so it is called "summer solstice". On this day, the day is the longest and the night is the shortest in the northern hemisphere, which indicates that summer is coming and the temperature will continue to rise.

From summer to around, many places in China have entered a sultry summer, with temperatures generally above 30 degrees Celsius, and the highest temperature often exceeds 37 degrees Celsius.

1 1, Slight Summer: On July 6-8, the sun reached 105 degrees and entered summer, marking the hot season in most parts of China.

12, summer: July 22 -24, when the sun reaches 120 degrees, just before and after the Mid-Autumn Festival. This period is the hottest period in most parts of China in a year, but there are also abnormal years of "not hot in summer" with more rain.

13, beginning of autumn: August 7-9, when the sun moves to 135 degrees. This solar term means that the hot summer will pass, the refreshing autumn will begin, and the vegetation will begin to bear fruit. This is the harvest season.

14, Summer: From August 22nd to 24th, "Chu" means termination, which means that the summer heat is coming to an end, and the temperature will gradually drop in most parts of China. Because it is autumn harvest, precipitation is very precious.

15, Millennium: September 7-9, when the sun reaches 165 degrees. As the direct point of the sun moves southward obviously, the temperature drops rapidly and the weather is cool. At night, the water vapor close to the ground forms white dew on the vegetation, hence the name "white dew".

16, autumnal equinox: On September 22-24, the sun moves to longitude 180 degrees, and the direct point of the sun returns to the equator, which is the midpoint of 90 days in autumn, and day and night are equal again. After this day, the days in the northern hemisphere get shorter and the nights get longer.

17, cold dew:1October 8 -9 10, the sun moves to 195 degrees. At this time, the direct point of the sun began to move south, the temperature in the northern hemisphere continued to drop, the weather was colder, and the dew in the forest was cold, hence the name "cold dew wind". This solar term indicates the beginning of winter, indicating that the cold degree of the climate will gradually increase.

18, first frost:1October 23rd to 24th, 10. At this time, the sun reaches 2 10 degrees. The first frost period in the Yellow River basin is generally in late June, which is 10, which is consistent with the solar term of "first frost". Frost is caused by the condensation of water vapor on the ground when it meets cold weather. Therefore, the first frost is not caused by the first frost. Cold weather.

19, beginning of winter:165438+1October 7-8, the sun moved to the longitude of 225 degrees. Winter begins on this day.

20. Xiaoxue:165438+1October 22-23, when the sun reached 240 degrees of the yellow meridian, the cold air force in the north increased, the temperature dropped rapidly, and snowflakes appeared in the precipitation. However, this is the first snow stage, with a small amount of snow and few times. Most of the Yellow River Basin snowed after the "light snow" solar term.

2 1, heavy snow: 65438+February 6-8, the number of snowfall days and the amount of snowfall increased compared with the light snow festival, and there was gradually snow on the ground.

22. Winter solstice: 65438+February 2 1-23, when the sun moves to 270 degrees of the yellow meridian, the sun almost shines directly on the Tropic of Capricorn, and the northern hemisphere forms a "southern solstice with short days and long shadows", which becomes the shortest day in a year. After the winter solstice, the days in the northern hemisphere became shorter, the temperature continued to drop, and began to count nine.

23, slight cold: 65438+1October 5 -7, this solar term indicates the beginning of the coldest season in winter, there will be frost.

24. Great Cold: 654381October 20th to 2 1 year/October 20th, the weather was extremely cold and freezing, which was the coldest season in a year.