What is the summer solstice on 20 19?

When is the summer solstice, when is the summer solstice, when is the summer solstice, and when is the summer solstice?

Summer solstice is one of the twenty-four solar terms, which falls on June 20th or 2 1 or 22nd of the Gregorian calendar every year.

Calculation formula of summer solstice date: [y d+c]-l

Interpretation of the formula: Y= two digits after the number of years, D=0.2422, L= leap year, 2 1 century C = 2 1.37, and 20th century =22.20.

For example, the date of summer solstice in 2088 = [88 * 0.2422+21.37]-[88/4] = 42-22 = 20, and the date of summer solstice is June 20th.

Exception: 1928 plus 1 day.

On the day of summer solstice, the sun moves to 90 degrees of the yellow meridian (summer solstice, currently in Gemini), and the position where the sun directly hits the ground reaches the northernmost point of the year, almost directly to the Tropic of Cancer. At this time, the daylight hours in all parts of the northern hemisphere reach the longest in the whole year. For the Tropic of Cancer and its northern area, the summer solstice is also the highest day of the year at noon. During the summer solstice in Beijing, the daytime can be as long as 15 hours, and the height of the sun is as high as 73 32' at noon. On this day, the northern hemisphere received the most solar radiation, almost twice as much as the southern hemisphere.

What is the summer solstice? Is it fixed?

Summer solstice Every year on June 2 1 day or 22, the sun reaches 90 degrees of the yellow meridian, which is the solar term of "summer solstice".

According to "Zunxian Manuscript", "The sun arrives in the north, the days are long and the shadows are short, so it is called the summer solstice. At best, it is excellent. "

On the day of summer solstice, the sun directly reaches the northernmost point of the year, almost directly to the Tropic of Cancer (23 26' north latitude), and the daytime in the northern hemisphere is the longest, and the farther north it is, the longer it is. For example, the daily length of Haikou in Hainan is a little more than 13 hours, Hangzhou is 14 hours, Beijing is about 15 hours, and Mohe in Heilongjiang can reach 17 hours.

From summer to the future, the position of direct sunlight on the ground gradually moves southward, and the daytime in the northern hemisphere is shortened day by day. There is a folk proverb that "eating noodles on the solstice in summer will shorten the day".

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 of antlers decomposition; Second, wait for cicadas to start singing; Third-class Pinellia ternata. "

Although Mi and Lu belong to the same family, the ancients thought they belonged to Yin and Yang. The deer's horn faces forward, so it belongs to Yang.

On the solstice of summer, Yin Qi was born, and Yang Qi began to decline, so the front antlers began to fall off. Because mi belongs to yin, it falls in the corner of winter; After the solstice of summer, the male cicada fluttered and sang because of Yin Qi's feeling; Pinellia ternata is a shade-loving herb, named after it was born in swamps or paddy fields in midsummer.

It can be seen that in the hot summer, some yin-loving creatures began to appear, while positive creatures began to decline. China folks divide 15 days from summer to the future into three "hours", usually the first three days, the middle five days and the last seven days.

During this period, the temperature in most parts of China was high, the sunshine was sufficient, the crops grew rapidly, and the physiological and ecological water demand was high. At this time, the precipitation has a great influence on agricultural output, and there is a saying that "raindrops are worth tens of millions in summer solstice".

In general, the precipitation in the middle and lower reaches of the Yangtze River and Huanghuai area can generally meet the requirements of crop growth. The Chronicle of Jingchu's Age says: "It rained on June 3rd, and the Tian family thought it was sweet, and the whole city congratulated each other."

It can be seen that as early as 1000 years ago, people had a clear understanding of the characteristics of this rainfall. From summer to around, early rice heading and flowering in the south of Huaihe River, field water management should be fully water heading, wet irrigation, dry and wet, which not only meets the water demand of rice fruiting, but also can ventilate and nourish roots, ensure maturity and improve grain weight.

As the saying goes, "Summer broadcast is not allowed for noon", we should pay close attention to the completion of summer broadcast, strengthen the management of broadcast content, and strive for full seedlings. After the seedlings emerge, they should be spaced, fixed and transplanted in time to make up for the deficiency.

During the summer solstice, all kinds of weeds in farmland grow as fast as crops. They not only compete with crops for water, fertilizer and sunlight, but also parasitize various germs and pests. Therefore, the agricultural proverb says, "If you don't hoe the roots and weeds in the summer solstice, it's like raising a poisonous snake to bite you." Grasping intertillage and hoeing is one of the important measures to increase production from summer solstice.

Generally, cotton has germinated, and its vegetative growth and reproductive growth are vigorous. Attention should be paid to ridging, intertillage and ridging in time, and ditch cleaning and drainage should be done in the field in rainstorm areas to prevent the harm of waterlogging and rainstorm. "However, the summer solstice is not hot." "The summer solstice is already three years old."

Although the summer solstice indicates that the hot summer has arrived, it is not the hottest time. After the summer solstice, the temperature will continue to rise for some time, and about twenty or thirty days is the hottest weather. Climatic characteristics The summer solstice is the tenth of the twenty-four solar terms.

To, it means extreme, that is, the sun grows to the extreme. On this day (northern hemisphere), the day is the longest and the night is the shortest, and the weather begins to get hot.

Every year around June 2 1 day, when the sun reaches 90 (summer solstice). "Twenty-four solar terms" said: "In mid-May, summer is fake. At the extreme, everything here is fake and extreme."

Cui Lingen's explanation of Han Xuetang in "Three Rites and Righteousness" also says: "Summer is one of the three meanings; First, yin and yang are extremely strong. Second, the beginning of Yang Ming is the beginning. Third, tomorrow's trip to the north. Therefore, it is the best. "

On this day, the height of the sun is the longest, the sun is almost direct to the Tropic of Cancer, and the day is the longest and the night is the shortest in the northern hemisphere. From summer to the future, the direct sunlight position gradually moves southward, and the daytime begins to shorten day by day. The southern hemisphere is the opposite.

Astronomy stipulates that summer solstice is the beginning of summer in the northern hemisphere, and climatology takes the beginning day when the average temperature is higher than 22℃ every five days as the beginning of summer. After the summer solstice, the temperature in the north is high, the sunshine is sufficient, and the rain increases, which is beneficial to the growth and development of crops.

The middle and lower reaches of the Yangtze River are still in the rainy season, and there are often long-lasting and heavy rainfall, which causes floods and even threatens people's lives and property. Attention should be paid to strengthening flood control. After the summer solstice, crops grow vigorously and weeds and diseases spread rapidly, so it is necessary to strengthen field management.

Therefore, the agricultural proverb says: "The summer solstice is in the dog days, and the cultivated land competes for water to water the garden"; The solstice and June of summer should be the first golden season.

When is the solstice in summer?

In class, a student asked, what is the longest day? This problem is easy to calculate, and the result is June 22.

I told him that it is called the summer solstice and the day is the longest. This year's summer solstice is June 2 1, today is June 2 1, and today is the summer solstice.

Summer solstice. This means that summer is coming.

I am a person who doesn't like summer. I hate the humid and sultry air in summer, the rainstorm that comes soon in summer, and the sleepless nights in summer.

But it is also a happy summer. You can wear suspenders unscrupulously, you can dye any color you want, you can play online or just chat at night, you can walk freely during the summer vacation, and you can go anywhere you want.

Ann called and asked me out.

He said, let's go to Yunnan, Dali, Lijiang, then Zhongdian, then Sichuan, back to Daocheng, or continue northward, maybe Litang, maybe Bamei, maybe westward, Linzhi, or * * *.

I suddenly lost my trust in him, and I have always had the trust that I never gave up over the years.

Actually, I know the reason, but telling him is really unbearable. Or am I too focused on perfection? If it is not perfect, I would rather not. And he, in everything, just needs to be rude and break his promise several times. For him, it is necessary, but for me, it is cheating.

When chatting with people, I joked that I don't want diamonds or luxury cars. I just want someone to treat me as the only star in the sky, living like summer flowers and dying like autumn leaves.

And Ann, how also won't understand.

Besides, I really can't go anywhere this summer.

I was suddenly informed that I had to train for half a month in the summer vacation, during which I couldn't go anywhere.

Will you come this summer?

When is the summer of solstice?

20 13 Summer solstice June 2 1 13:03:56 Stages of antlers shedding from summer solstice Description: From summer solstice, Yin Qi was born and Yang Qi began to decline, so the antlers began to fall off.

Start singing: After the solstice in summer, the male cicada flutters its wings. Pinellia ternata: Pinellia ternata is a shade-loving herb named after it was born in swamps or paddy fields in midsummer.

Summer solstice is one of the 24 solar terms, which occurs on June 2 1 or 22 of the Gregorian calendar every year. The summer solstice of 20 13 is on June 2 1 day.

This is the summer solstice. On the day of summer solstice, the sun shines directly on the Tropic of Cancer (23 26 ′ 28 ″ 44 north latitude), with the longest day in the northern hemisphere, even extreme day in the Arctic Circle and extreme night in the Antarctic Circle.

It is the longest day in a year in the northern hemisphere, and it takes about fourteen hours from sunrise to sunset in the south of China. Although the summer solstice has the longest day and the highest sun angle, it is not the hottest time of the year.

Because, close to the surface of the heat, at this time still continue to save, did not reach the maximum time. As the saying goes, "Hot days are in dog days", and the real hot weather is calculated by summer solstice and beginning of autumn.

From mid-July to mid-August, the temperature is the highest in all parts of the country, and the highest temperature in some areas can reach about 40℃. Summer solstice was also called "Summer Festival" and "Summer solstice Festival" in ancient times.

In the ancient summer solstice, people prayed for disaster and prosperity by offering sacrifices to God. "Li Zhou Guan Chun Zong Bo San Si Wu/Shen Shi" contains: "The summer shows ghosts, in order to eliminate the fierce famine of the country and the loss of the people."

Sacrificing to God in the summer solstice of the Zhou Dynasty means eliminating plague, famine and starvation. Historical Records records: "On the solstice of summer, people worship the land with music and dance."

As an ancient festival, the summer solstice began in the Song Dynasty, and officials have a three-day holiday. In Liao Dynasty, this day was called "summer solstice", and women entered colorful fans to give each other a legacy (Liao history). In the Qing dynasty, it was also called "summer solstice is a day's transition, and the sun, the next day and the last day were called" three hours ",so people lived cautiously. Summer solstice is close to perihelion, winter solstice is close to perihelion, perihelion revolution speed is fast, far sun revolution speed is slow, resulting in long summer and short winter.

"However, the summer solstice is not hot." "The summer solstice is already three years old." Although the summer solstice indicates that the hot summer has arrived, it is not the hottest time. After the summer solstice, the temperature will continue to rise for some time, and about twenty or thirty days is the hottest weather.

From summer to the future, the southern part of China is often controlled by subtropical high, resulting in summer drought. The rainfall in the western part of South China has obviously increased, which has gradually changed the rainfall distribution situation in South China from more in the east to less in the east since spring.

If there is a summer drought, it is generally expected to be lifted at this time. In the past 30 years, the number of large-scale floods in western South China in late June was small, but the degree was serious.

Therefore, special attention should be paid to preparing for flood control. The summer solstice solar term is the solar term with the largest annual rainfall in eastern South China. In order to enhance drought resistance and win a bumper harvest in agriculture, it is an important measure to catch the rain in front of these areas.

The summer solstice is a time point, or moment, that is, the moment when the sun directly hits the Tropic of Cancer (the sun accurately says that it directly hits the Tropic of Cancer for only a moment, not a period of time), or the moment when the sun shines to the northernmost part, which is called the summer solstice. The summer solstice refers to the whole day where the summer solstice is located.

When is the summer of solstice? When does summer end?

The summer solstice (June 2 1 or 22) is the summer solstice. At this time, the sun shines directly on the Tropic of Cancer, which is the longest place in a year in the northern hemisphere. It takes about 14 hours from sunrise to sunset in the south of China.

Although the summer solstice has the longest day and the highest sun angle, it is not the hottest time of the year. Because, close to the surface of the heat, at this time still continue to save, did not reach the maximum time.

As the saying goes, "Hot days are in dog days", and the real hot weather is calculated by summer solstice and beginning of autumn. From mid-July to mid-August, the temperature is the highest in all parts of China, and the highest temperature in some areas can reach about 40 degrees.

Summer solstice was also called "Summer Festival" and "Summer solstice Festival" in ancient times. In the ancient summer solstice, people prayed for disaster and prosperity by offering sacrifices to God.

"Zhou Li Chun Guan" contains: "With the arrival of summer, go to local things." Sacrificing to God in the summer solstice of the Zhou Dynasty means eliminating plague, famine and starvation.

Historical Records records: "On the solstice of summer, people worship the land with music and dance." As an ancient festival, the summer solstice began in the Song Dynasty, and officials have a three-day holiday. In Liao Dynasty, this day was called "summer solstice", and women entered colorful fans to give each other a legacy (Liao history). In the Qing dynasty, it was also called "summer solstice is a day's transition, and the sun, the next day and the last day were called" three hours ",so people lived cautiously.