What does the twenty-four solar terms of the summer solstice mean? What does the twenty-four solar terms of the summer solstice mean?

In the Northern Hemisphere, summer is the time of year when the days are longest and the nights are shortest. Do you have a deep understanding of the meaning of the summer solstice? Below is an introduction to the meaning of the 24 solar terms of the summer solstice that I have prepared for you. let's see!

The origin and significance of the summer solstice

The summer solstice is the earliest of the twenty-four solar terms. In the seventh century BC, ancient people used earth compasses to measure the shadow of the sun and determine the summer solstice. According to the "Zunxian Manuscript": "The sun is north, the day is long, and the shadow is short, so it is called the summer solstice. The solstice is also the extreme." In this summer, the sun shines directly on the ground, to the northernmost point of the year, almost to the north Tropic of regression (23° 26' north latitude). Across the northern hemisphere, this is the longest day of the year, and the further north you go, the longer the day becomes. For example, the length of a day is about 13 hours in Haikou, Hainan, 14 hours in Hangzhou, about 15 hours in Beijing, and more than 17 hours in Mohe, Heilongjiang. After the summer solstice, the direct point of the sun begins to move southward, the days in the northern hemisphere begin to gradually become shorter, and the height of the noon sun in the Tropic of Cancer and areas north of it also begins to decrease day by day. There is a folk saying that "if you eat noodles during the summer solstice, the day will be shortened". Wei, a poet of the Tang Dynasty in my country, wrote in "Beichi Summer Solstice" that "the clouds reach the day peak, and the night leaks from then on". At this time, the southern hemisphere is in the middle of winter.

In ancient China, the Summer Solstice was divided into three phases: "The first phase is when the antlers dissolve; waiting for the cicadas to start singing; waiting for three half summers." Although they belong to the same family as elk, the ancients believed that they belong to yin and yang. . A deer's antlers point forward, so they belong to the sun. On the day of midsummer, Yin Qi was born and Yang Qi began to decline, so the antlers on the front began to fall off. But because it is yin, it falls off at the angle of the winter solstice. Due to the feeling of yin, male cicadas will flap their wings and sing during the summer solstice; Pinellia ternata is a shade-loving herb, so named because it grows in swamps or paddy fields in midsummer. Therefore, in the hot summer, some yin-loving creatures began to appear, while the yang-loving creatures began to decline.

Chinese folk divide the 15 days after the summer solstice into three "hours", usually the first three days, the middle five days and the last seven days. During this period, most areas in my country have high temperatures, sufficient sunshine, rapid growth of crops, and large physiological and ecological water requirements. Precipitation at this time has a great impact on agricultural output. There is a saying that "raindrops on the summer solstice are worth a thousand pieces of gold". Generally, precipitation in the middle and lower reaches of the Yangtze River and the Huanghuai region can generally meet the requirements for crop growth. "Jingchu Chronicle" records: "It rained on June 3rd. The Tian family thought it was sweet, and the whole city congratulated it." It can be seen that people had a clear understanding of the characteristics of this rainfall more than 1,000 years ago.

What is the summer solstice?

Summer is the longest day and shortest night in the Northern Hemisphere. At the summer solstice, the sunrise direction starts from the northeast in all places on the earth and sets in the northwest except in the polar night zone of Antarctica and the Antarctic Circle.

Take Beijing as an example. On the day of the summer solstice, dawn begins at 2:42 a.m. and the sun rises at 4:45 a.m. The sun sets at 19:46 pm and it becomes completely dark at 21:49 pm. Total darkness only lasted about 5 hours, and the sun was above the horizon for 15 hours. If you continue further north, the nights will shorten even further. In Nordic cities such as Stockholm, Helsinki, and Oslo, the sky is still bright at midnight, and you can read under the night sky. When we reached the area north of 66.4° north latitude, we could see the midnight sun, which we thought was a miracle, where people can enjoy 24-hour sunbathing.

Before and after the summer solstice, the earth is located near the aphelion and moves slightly slower. As a result, the sun is in the northern hemisphere for 8 days longer than the southern hemisphere in a year, so the summer in the northern hemisphere is slightly longer.

Characteristics of the Summer Solstice

The Summer Solstice is the longest day and the highest sun angle, but it is not the hottest time of the year. Because the heat near the surface is still accumulating at this time and has not yet reached its maximum. As the saying goes, "The heat is unbearable." The real hot weather starts from the summer solstice and the beginning of autumn. From mid-July to mid-August, the temperature is the highest across China, with the highest temperature reaching around 40 degrees in some areas.

"However, the summer solstice is not hot", "the summer solstice is three months, and the head falls". Although the summer solstice heralds the arrival of hot summer, it is not the hottest time. After the summer solstice, the temperature will continue to rise, and it will be the hottest day for about 20 to 30 days. After summer, the ground is heated intensely, air convection is strong, and thunderstorms often form from afternoon to evening. This kind of thermal thunderstorm comes and goes suddenly, and the rainfall range is small. People call it the summer rain separated by fields. The poet Liu Yuxi of the Tang Dynasty once cleverly borrowed this kind of weather in the south and wrote the famous poem "The east rises and the west falls, the road is clear and sunny."

Summer customs and proverbs

1. It is dry when it does not rain during the summer solstice.

2. Qingming sorghum, Xiaomangu, mango, sesame and summer solstice beans.

3. Entering the summer solstice and June, the golden season jumps.

4. The southeast wind causes heavy rain 18 days after the summer solstice.

5. On the summer solstice, the southeast wind blows and the boat is placed on the flat ground.

6. On the summer solstice, the hoe cannot rest.

7. It rains on the summer solstice and there is rice in the warehouse.

8. The winter solstice is too cold, and the summer solstice is too cold.

9. Dogs have nowhere to go during the summer solstice.

10. Summer Solstice, nowhere to go.

1. Love to play during the summer solstice and sleep at night during the winter solstice.

12. Frost begins at the winter solstice, and the Yangtze River dries up at the summer solstice.

13. The summer solstice ends with a meal during the rainy season.

14. The summer solstice is dust-free, but there is dust, and the rhubarb wind blows for forty-five days.

15. Summer solstice raindrops are worth thousands of dollars.

16. Ear seeds are planted according to the day and planted at the summer solstice.

17. The rain at the summer solstice should be in early autumn.

18. The bayberries at the summer solstice are full of mountain reds, and the bayberries appear in the hot summer.

19. Spring is full of green, summer is halfway through, autumn is deserted, and winter is deserted.

20. The rooster is burnt on the grass, and the straw sandals are rotten in the summer solstice.

What does the summer solstice mean in the twenty-four solar terms?

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9. Detailed explanation of the twenty-four solar terms - the summer solstice

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