Corresponding time of 24 solar terms

February 4th is the "beginning of spring" among the 24 solar terms, and beginning of spring is the first solar term in a year. The longitude of the sun is 3 15 degrees. In China, beginning of spring is the beginning of spring. In ancient times, people regarded the beginning of spring as the Spring Festival and held Spring Festival ceremonies on this day.

2. February 18 or 19 is the rain of 24 solar terms. When the longitude of the sun reaches 330 degrees, the solar terms begin to rain. At this time, the temperature rises, the snow melts and the precipitation increases, hence the name rain.

March 5 or 6 is the awakening of the twenty-four solar terms, and the sun enters the awakening solar terms when it runs to 345 degrees of the Yellow Meridian. Sting means hiding. With the temperature rising and the soil thawing, the first thunder began to appear, and the small animals hibernating underground seemed to be awakened by the thunder and began to excavate, hence the name Jingzhi.

4. March 2 1 day is the vernal equinox among the 24 solar terms, and the vernal equinox solar terms begin when the sun runs to 0 degrees (vernal equinox). A day is half of spring, so it is called vernal equinox. On the vernal equinox, the sun shines directly at the equator, and day and night are almost equal. Then the direct sunlight position gradually moved northward, and the days were long and the nights were short.

April 4th-5th is the Tomb-Sweeping Day in the twenty-four solar terms. When the sun moves to the longitude of the Yellow River 15 degrees, Tomb-Sweeping Day Qi begins. At this time, the temperature is getting warmer, plants are sprouting, the weather is sunny and clear, everything is thriving, and Qingming is clean.

6. April 20th is the twenty-four solar terms in the Grain Rain, and the solar terms begin to enter Grain Rain when the sun runs to 30 degrees of the yellow meridian. At this time, rainfall is conducive to the growth of five grains, which means that rain produces "five grains".

May 5th is the long summer among the 24 solar terms, and the long summer refers to long summer. But the real summer time is not consistent everywhere.

8. Every year from May 20th to 22nd, when the sun reaches 60 degrees of the yellow meridian, it is in full bloom. Twenty-four solar terms: "In mid-April, things are small and full." It means that the seeds of summer crops are full, but immature, just small and not full.

9. Every year around June 5th, it is the awn, the ninth of the 24 solar terms, and the sun reaches 75 degrees of the yellow longitude. "Twenty-four solar terms": "The May Festival means that there are awn crops in the valley". "awn" means that crops with awns such as wheat and barley mature and begin to harvest, so it is very urgent to grab the harvest; "Planting" means that summer sowing crops such as millet are also the busiest season for sowing. So it is also called "mang seed". Spring competes for the sun, and summer competes for time. "Race against time" refers to the busy farming season at this time. It is often said that "three summers" is a busy farming season, that is, summer management is busy with summer harvest, summer sowing and spring sowing crops.

June 26th or 22nd is the summer solstice. On the solstice of summer, the sun shines directly on the Tropic of Cancer, which is the longest day of the year in the northern hemisphere, and it takes about 14 hours from sunrise to sunset in the southern region.

1 1, on July 7 or 8 every year, when the sun reaches 105, it is a slight summer heat. "Twenty-four solar terms": "June Festival" ... It is also hot in summer, and it is small at the beginning of the month, big in the month, and still small today. "Summer heat" means hot, it is a little hot, not very hot. It means that the weather is getting hotter, but it is not the hottest, and most parts of the country are basically in line with it. At this time, the Meiyu in the Jianghuai Basin is coming to an end, and the temperature in long summer has risen and entered the summer drought period; However, when North China and Northeast China entered the rainy season, tropical cyclones were active frequently, and the number of tropical cyclones landing in China began to increase. After the summer, the south should pay attention to drought resistance and the north should pay attention to flood control. Crops all over the country have entered a vigorous growth period, and it is necessary to strengthen field management.

Hot in summer means hot. Explanation is the hottest solar term in a year.

13, when the sun reaches 135 on August 7th or 8th every year, it is beginning of autumn. Twenty-four solar terms: "July Festival, set up a word to solve spring (beginning of spring). Autumn is also awkward, and this is the thing. "

14, summer is a solar term reflecting the temperature change. It means hiding and ending, and the heat of summer means that the hot summer is over. "Twenty-four solar terms" said: "Go, go, and stop here."

15. Millennium is water droplets condensed by water vapor on the ground or near-earth objects due to the drop in temperature. So the Millennium actually indicates that the weather is getting cold.

16. Every year around September 23rd, when the sun reaches longitude 180 degrees, it enters the "autumnal equinox" solar term. The autumnal equinox, like the vernal equinox, is the earliest solar term established by the ancients. According to "Spring and Autumn Stories Yin and Yang Incoming", "The autumnal equinox is accompanied by Yin and Yang, so it is cold and hot day and night."

17 and 10 8 are cold dew in the twenty-four solar terms, and the sun is regarded as cold dew when it reaches longitude 195. Twenty-four solar terms: "September solar terms, dew will condense when it is cold." At this time, the temperature is lower than when it is "white dew", with more dew and strong chill. In most parts of our country, the weather is cool, the rainfall is reduced, and the autumn grain will mature one after another.

18, around 10 on the Gregorian calendar every year, and the first frost is when the sun reaches 2 10 degrees. The first frost said that the weather was colder and the dew condensed into frost.

19,165438+1October 7th is the "beginning of winter" in 24 solar terms, and beginning of winter begins when the longitude of the sun reaches 225 degrees. Winter means the end, which means that the crops should be harvested after harvest. In China, beginning of winter is considered as the beginning of winter.

20.165438+1October 22nd is the "light snow" among the 24 solar terms, and the light snow solar term begins when the longitude of the sun reaches 240 degrees. At this time, the temperature dropped, the temperature of the gas layer gradually dropped below 0℃, and snowfall began, but the amount of snow was not large.

2 1, 65438+February 7th is one of the twenty-four solar terms, which starts with the longitude of the sun reaching 255 degrees. Heavy snow solar terms are affected by cold air, and heavy snowfall often occurs, causing snow on the ground. As the saying goes, "Xue Rui heralds a bumper harvest year". Covering the earth with snow can freeze pests to death and create a good wintering environment for wintering crops.

22,65438+February 22nd is the "winter solstice" among the 24 solar terms. When the longitude of the sun reaches 270 degrees, the winter solstice solar term begins. In winter solstice, the sun shines directly on the tropic of Capricorn, with the shortest day and the longest night in the northern hemisphere, and the cold days begin from winter solstice.

23. Slight cold is the 23rd of the 24 solar terms in a year. During the slight cold, the apparent motion of the sun reaches 285 degrees of the yellow meridian, that is, 65438+1October 5 or 6 in Gregorian calendar. After the slight cold, the climate in China began to enter the coldest period of the year. As the saying goes, cold air has been cold for a long time. At this time, the weather is cold, and Montana has not yet reached its extreme, so it is called slight cold.

24, 65438+1October 20 is the "great cold" in the 24 solar terms. When the longitude of the sun reaches 300 degrees, it enters the great cold solar term. Great cold means to make the weather extremely cold.