Q, the bucket refers to rain, the east wind thaws, and the ice and snow disappear into water and rain, hence the name rain.

1. beginning of spring: The sun crossed the Yellow River on March 3 15, and spring began, because beginning of spring and beginning of spring were the first solar terms in a year, which started the prelude of spring, plants and trees began to sprout, and farmers began to sow.

2. Rain: After beginning of spring, it rained after the sun passed 330 degrees of the yellow longitude. Rain originally meant that ice and snow melted into water. "Agricultural Book" said: "When the door refers to rain, the east wind thaws, and the ice and snow disperse into water and turn into rain, hence the name rain." The rainy season is the time when everything flourishes and plants germinate.

3. Scare: After the rain, the sun passes through the 345-degree position of the Huangjing, just to scare the insects. Every year around March 5 of the Gregorian calendar. Thunder refers to the early sound of spring thunder, which wakes up the insects in the mat. This season has entered mid-spring, peach blossoms are red, plum blossoms are white, orioles are singing and birds are flying high. Spring thunder is a common natural phenomenon in this season.

4. vernal equinox: the sun crosses the yellow meridian at zero, which is the vernal equinox. The vernal equinox is the middle of spring. In ancient China, beginning of spring, Changxia, beginning of autumn and beginning of winter were used to indicate the beginning of four seasons, and the vernal equinox, summer solstice, autumn equinox and winter solstice were in the middle of each season. At the vernal equinox, the sun shines directly on the equator, and the time around the earth is equal, so the ancient vernal equinox and autumnal equinox are also called "day and night equinox".

Qingming: Qingming is the time when the sun passes the 15 th degree of the Yellow Meridian, which is about April 5 of the Gregorian calendar every year. Qingming means sunny weather, fresh and clean air, gradual warming and lush vegetation. Tomb-Sweeping Day has folk customs such as climbing mountains, eating cold food and sweeping graves. As the saying goes, "Qingming breaks snow, Grain Rain breaks frost." On Qingming Day, the climate is warm and the spring is strong.

6. Grain Rain: When the sun crosses the 30-degree meridian of the Yellow River, farmers look at Grain Rain after planting grain. Longitude is around April 20th of the Gregorian calendar every year, which is the last solar term in spring. At this time, the newly planted seedlings and newly planted crops need abundant inches of water to irrigate and moisten them. As the saying goes, "Rain gives birth to a hundred grains". Only with sufficient and timely rainfall can cereal crops thrive.

Long summer: The sun crosses the Yellow River at 45 degrees longitude, and long summer begins in summer. There is an old saying that "the long summer is small and full, and the rain catches up with each other". Long summer is a rainy season. It is said that ancient kings often went outside the capital to welcome summer on this day.

8. Xiaoman: The sun crosses the yellow meridian 60 degrees for Xiaoman. Every year on May 2 1 day of the Gregorian calendar. "Xiaoman" happens to be in the middle and late April of the lunar calendar. At this time, crops such as rice and wheat in the field are gradually maturing. Seeing people's hard work and hard work, there will be a bumper harvest soon, so this solar term is described as Xiaoman.

9. Miscanthus species: The sun passes through the yellow meridian at 75 degrees, which is about June 5 of the Gregorian calendar every year. At this time, it has entered a typical summer, the weather is quite hot, and crops with awns such as wheat are mature. In most areas, the mid-season rice has entered the green stage, the seedlings are green and full of vitality, and the species of Miscanthus is close to the Dragon Boat Festival.

10. Summer solstice: The sun crosses the yellow meridian at an angle of 90 degrees, which is the summer solstice. The solstice in summer is the Tropic of Cancer, and the day is the longest in the northern hemisphere. After the summer solstice, the ground is heated strongly and the air convection is strong. Thunderstorms often occur in the afternoon and evening. This kind of hot thunderstorm comes and goes, and the rain is water. People call it "dividing fields in summer and rain." Liu Yuxi, a poet in the Tang Dynasty, once said this kind of weather.

Small office: the position where the sun passes through the ecliptic 105 degrees is a small office. It's midsummer, and it's quite hot, but it's not the hottest time yet.

12. Daxia: The position where the sun passes through the yellow meridian 120 degrees is Daxia. Summer is the hottest solar term in a year.

13. beginning of autumn: the sun passes through the yellow meridian 135 degrees, and beginning of autumn is beginning of autumn. Beginning of autumn is the first sound of the solar term entering the cool autumn, because after the summer heat, it will go to Qiu Lai in summer and then to beginning of autumn, which indicates that the hot and difficult summer is coming, and the cool and comfortable autumn is coming.

14. summer heat: the sun passes through the yellow river 150 meridian and gradually disappears for the purpose of the department. When autumn comes, the summer heat will gradually fade away. But sometimes it will be as hot as summer. The so-called "autumn tiger" is probably the last light in summer. Because it is as hot as summer heat, it is called summer heat.

15. white dew: the position where the sun passes through the yellow meridian 165 degrees is the white dew, which is around September 7 every year in the Gregorian calendar. At this time, the solar terms began to drop, the weather turned cold, and dew appeared on the vegetation in the morning.

16. autumnal equinox: the sun crosses the ecliptic 180 degrees, and the position where the sun crosses the equator is the autumnal equinox. The autumnal equinox is a solar term, indicating the change of seasons. On the day of the autumnal equinox, the sun is located at the longitude of the yellow meridian 180 degrees, and day and night are almost equal. At this time, it has entered a cool autumn, which is called "an autumn rain and a cold".

17. Cold dew: The sun 190 degrees passes through the ecliptic, and the cold water vapor gradually condenses into dew at night, and the time is around10.8 every year. As the folk proverb often says, "cold dew wheat, frost beans first."

18. First frost: The position where the sun passes through the yellow meridian 2 10 degrees is the first frost. The first frost is the last solar term in autumn. Generally, it is around Gregorian calendar1October 23rd every year.

19. beginning of winter: The sun passed the longitude of 225 degrees, and the time series began to enter winter, so it was called beginning of winter. As the saying goes, "On the day of beginning of winter, the water began to freeze, and the ground began to freeze."

20. Light snow: The sun passes through the longitude of 240 degrees, and the climate is cold and it gradually snows into light snow. Every year on the 22nd of Gregorian calendar 1 1 month.

2 1. Heavy snow: The sun crossed the yellow meridian at 255, and the heavy snow was due to heavy snow. The heavy snow is around the Gregorian calendar1February 7 every year.

22. Winter Solstice: The sun passes through the Zodiac at 270 degrees, which is the winter solstice. It happens that the sun shines on the tropic of Capricorn. So the northern hemisphere has the shortest days and the longest nights. From winter to the future, the light emitted by the sun turns to the north and gradually approaches the ground in the northern hemisphere. The day gradually becomes longer and the relative night gradually becomes shorter.

23. Slight cold: The position where the sun passes 285 degrees through the yellow meridian is slightly cold. After the solstice in winter, the weather is getting colder and colder. Although it is cold, it is not the coldest, so it is called "slight cold".

24. Great Cold: The sun crosses the Yellow Meridian, and the climate is 300 degrees cold. In the middle of winter, the weather becomes very cold, which is the coldest time of the year, so this solar term is called "Great Cold".