The 24 solar terms mainly reflect the climate in what area.

Beginning of spring is the first of the 24 solar terms in the China lunar calendar. From the perspective of the lunar calendar, beginning of spring, as the first solar term, is also indispensable. Although beginning of spring is mostly around the new moon, from the perspective of the Lunar New Year, beginning of spring is not the beginning of the new year, and the real beginning of the new year is the first day of the new year. However, China people determine the calendar in this way, which is related to China people's careful observation and thinking about the evolution of heaven and earth.

Rain, every February 18-20, mostly around the fifteenth day of the first lunar month in China, when the sun reaches the 330-degree position of the yellow meridian.

Stunning, every year on March 5th or 6th, the sun reaches the position of 345 degrees of the Yellow Meridian, which is the third solar term of the lunar calendar-shocking, marking the beginning of the mid-spring season.

The vernal equinox falls on March 20th or 2 1 day of the Gregorian calendar every year. On this day, the sun shines directly on the equator, and the length of day and night in the northern and southern hemispheres is equally divided.

Qingming, the sun reaches 15 degrees on April 4-6 of the Gregorian calendar every year. For the northern hemisphere, the weather at this time is compared with that at the vernal equinox.

In Grain Rain, every year in the third month of the lunar calendar, that is, in April 19-2 1 of the Gregorian calendar, the sun reaches 30 degrees of the yellow meridian. Mild weather and obvious increase in rainfall are of great help to the growth and development of cereal crops.

In the long summer, when the sun reaches 45 degrees of the yellow meridian, it is on May 5 or 6 of the tropic of Capricorn, and the spring in the northern hemisphere has ended. "The bucket refers to the southeast, and the dimension is long in summer. Everything grows here, hence the name Long Summer. " "Standing, starting, summer, fake, everything is fake at this time." Astronomically, Chang Xia bid farewell to spring and entered summer.

Xiaoman, every year between May 20th and 22nd, when the sun reaches 60 degrees of the Yellow Meridian, the phenology of solar terms in the northern hemisphere changes again. "Twenty-four solar terms": "In mid-April, people are small and full, and things are small and full." The word "full" is used to describe the amount of rain, that is, if there is not enough water in the field when it is full, it may cause the ridge to crack, and even rice can't be planted in the next solar term, that is, planting ears.

Mango seeds, around June 6 every year, the sun reaches the position of 75 degrees yellow longitude, which is a busy farming season for Chinese mainland in the northern hemisphere.

In the long summer, on June 2 1 or 22 every year, the sun moves to 90 degrees of the yellow meridian. The position where the sun shines directly on the ground reaches the northernmost point of the year, almost directly on the tropic of cancer, and the daytime time in all parts of the northern hemisphere also reaches the peak of the year. This day is the solstice of summer.

Little summer, the astronomical calendar says that it is called little summer when the sun reaches 105 degrees on July 7 or 8 every year.

During the summer heat, the sun reaches 120 degrees in the solar calendar from July 22 to July 24. This is the summer solar term.

Beginning of autumn is the 13 solar term in 24 solar terms, the end of the last month of the dry calendar and the beginning of applying for the moon; The time is around the first day of the seventh lunar month every year.

In summer, when the sun moves to 150 degrees on the ecliptic, that is, around August 23 every year, the heat really ends. This solar term is called summer.

Millennium is the fifteenth solar term in the "twenty-four solar terms", which is the end of applying for the moon and the beginning of the unitary month in the calendar. Fingers crossed, the sun reached 165 degrees.

The autumnal equinox is the sixteenth of the twenty-four solar terms, and the time is generally from September 22 to September 24 of the Gregorian calendar every year. At the autumnal equinox, the sun reaches 180.

Cold dew, when the sun reaches the longitude 195 degrees, that is, the solar calendar 10/0 or so.

During the first frost, the sun moved 15 degrees on the ecliptic again, reaching 2 10 degrees, that is, around1October 23 every year. The weather is even colder and autumn is coming to an end. This solar term is the first frost.

Beginning of winter, one of the four seasons and eight major festivals, usually occurs between the Gregorian calendar165438+1October 7-8, that is, when the sun is at 225 degrees.

Light snow, every year1October 22nd or 23rd, 165438+, the sun will reach the longitude of 240 degrees. At this time, the sun's exposure time to the northern hemisphere is short, and Beijing's daylight saving time is only over 9 hours. This solar term is called light snow.

Heavy snow, when the sun reaches 255 degrees, that is, around 65438+February 7 every year.

Winter solstice, the winter solstice begins when the sun reaches 270 degrees of the yellow meridian, and it is around 65438+February 22 of the Gregorian calendar every year.

Slight cold, when the sun reaches 285 degrees on the fifth or sixth day of the lunar calendar (1), the solar term is "slight cold".

Great cold, the solar calendar is about 65438+10.20 every year. When the sun reaches 300 degrees of the yellow meridian, it is extremely cold.