When is the summer heat and what season is the summer heat

Summer is the fourteenth of the 24 solar terms and the second solar term of autumn. Dou E (southwest); The solar meridian reaches 150; The festival is held on August 22-24 of the Gregorian calendar every year. At the end of summer, the hot and hot weather has reached the "last summer" of the "three summers", which means that the hot and unbearable weather is coming to an end.

After the scorching heat, the direct sunlight continued to move southward, the solar radiation weakened, the subtropical high also retreated southward, and the scorching heat gradually disappeared. Thunderstorms are not as active as in midsummer, and the general trend of heavy rains has weakened across the country. In the summer, there are many folk activities, such as duck eating, river ordering, fishing festivals, decoction tea, and worshipping the god of the land.

Summer is a solar term that reflects changes in temperature. The original meaning of "out" is the meaning of "stop" and "stay". "Shuowen Jie Zi" says:

place, stop. "Division" means that the hot weather is coming to an end and the heat is beginning to subside. "Three Summers" and "Three Dogs" both represent hot and hot weather, and the curves on the time and temperature axes are basically the same:

Summer is coming, summer is coming; When the summer weather disappears, the heat runs out.

The 24 solar terms have "three summers", that is, the small summer solar term, the big summer solar term and the midsummer solar term, which are the first summer heat, the middle heat stroke and the last summer heat. In the middle of the "three summers", there is also a "beginning of autumn" solar term, and after the beginning of autumn is the time when the heat lasts for a long time. Prolonged heat is good for crop growth and yield.

The ancients called the period from the beginning of autumn to the autumn equinox "long summer".

The "dog days" include the four solar terms: the small heat, the great heat, the beginning of autumn and the great heat. The heat is coming, and the dog days have passed or come to an end.

The heat subsides slowly, and it doesn't mean that the heat will cool down immediately. Although the summer is still hot, the temperature has begun to show a downward trend.

The summer is autumn.

In the summer, the family shirt is the fourteenth solar term of the 24 solar terms and the second solar term of autumn. The ecliptic longitude of the sun reaches 150° and is celebrated on August 22 and 24 of the Gregorian calendar every year. At the end of the summer, it has reached the "last heat" of the "three summers" of the hot and hot weather, which means that the hot and unbearable weather has come to an end.

After the summer heat, the direct solar point continued to move southward, the solar radiation weakened, and the subtropical high also retreated southward, and the heat gradually disappeared. Thunderstorm activity is also less active than in the hot summer, and the general trend of heavy rain has weakened across the country.

Traditional customs

1. Worship ancestors and welcome autumn: The folk customs before and after the summer solar term are mostly related to ancestor worship and autumn greeting. Before and after the summer season, there will be folk activities to celebrate the "half of July", commonly known as "half of July" or "mid-year festival".

2. Eat duck: "half duck in July, half taro in August", the ancients believed that the duck in the middle of the seventh month of the lunar calendar was the most fat and nutritious. On this day of summer, old Beijingers will go to buy summer lily ducks, and in Jiangsu, a bowl of duck dishes should be served to neighbors.

3. Put river lamps and potatoes for sale: generally put lamps or candles on the base. Before and after the summer heat, there will be activities to celebrate the Zhongyuan, commonly known as "the seventh half of the month" or "the Zhongyuan Festival", put river lanterns in the water, let it drift, mourn the deceased, and pray for safety.

The summer is August 23, 2022It is the fourteenth of the 24 solar terms and the second solar term of autumn. Douzhiwu (southwest), the ecliptic longitude of the sun reaches 150°, and it is intersected on August 22-24 of the Gregorian calendar every year. At the end of the summer, it has reached the "last summer" of the "three summers" of the hot and hot weather, which means that the hot and unbearable weather has come to an end.

Meteorological changes:After the heat, the temperature gradually drops, and the temperature difference between day and night gradually increases, but the temperature is still high during the day. The reasons for this phenomenon are: first, the direct point of the sun continues to move southward, and the solar radiation weakens; Second, the subtropical high retreated southward by leaps and bounds, and the Mongolian cold high began to leap forward and show its edge.

Although the subtropical high retreated southward in great strides after the summer solar term, it was by no means willing to easily relinquish its dominance and retreat to the sea of the western Pacific. In the southern region under its control, jujube is often at the end of the summer, and once again feels the high temperature of the weather, which is the short-term hot weather "autumn tiger".

The time of summer in 2021 is:August 23, 2021 at 5:17 a.m. in the Gregorian calendarOn the 16th day of July in the year of the lunar calendar,Monday.

The heat, that is, "out of the heat", is the meaning of the heat leaving, when the dog days have passed or are nearing the end, and the heat of early autumn will end. The arrival of the summer also means entering the second half of the Shen month of the Ganzhi calendar. Summer is one of the 24 solar terms that reflects climate change.

Since the beginning of the summer heat, the trend of gradually decreasing temperature has become more obvious.

Yuan Wucheng's book "Seventy-two Candidate Explanations of the Lunar Order" said: "Place, stop, the heat ends here." "Place" means to end, indicating that the heat is about to pass and the heat will end. In the middle of July. place, stop also. This is where the heat ends.

Precautions for dealing with heat

1. Avoid adding clothes too early

There is a saying that "spring covers autumn frost", which means that the body temperature should not be high in autumn, so as to help converge yang energy. For when the heat goes out, the cold will come in. However, when going out at night, you should add more clothes to protect your yang energy.

At the same time, it is colder in the morning and evening, so pay attention to adding clothes.

2. Ensure adequate sleep and avoid staying up late

After the heat stroke, the body's sweating is significantly reduced, the water and salt metabolism function gradually returns to balance, and enters the physiological recuperation stage, and the body feels tired and produces "autumn fatigue". To resolve the "autumn fatigue", it is necessary to ensure sufficient sleep, go to bed early and get up early, and avoid staying up late; Eat a light diet with plenty of tomatoes, eggplants, potatoes, grapes and pears.

The above content refers to the Encyclopedia of the heat.

The 14th of the 24 solar terms is between August 22 and 24 of the Gregorian calendar every year, when the sun reaches 150° at the ecliptic longitude.

The heat is "out of the heat", which means to leave the heat. It is the 14th solar term among the 24 solar terms of the lunar calendar, and the time point is August 23 of the Gregorian calendar, when the sun reaches 150° of the yellow longitude.

The summer solar term means that the autumn is about to enter the meteorological significance, and the temperature in the area north of the Yellow River in China gradually drops after the summer season.

Astronomical experts said that on the day of the summer season, the direct point of the sun has moved from 23°26 north latitude on the day of the "summer solstice" to 11°28 north latitude. In Beijing, the length of the day has been shortened from 15 hours on the summer solstice to 13 hours and 25 minutes, and the height of the sun at noon has also decreased from 73°32 to 61°34 on the summer solstice. As the height of the Sun continues to decrease, so does the heat.

The summer solar term means that the autumn of meteorological significance is about to begin, and the temperature in the north of the Yellow River gradually drops after the summer season.

Astronomical experts said that on the day of the summer season, the direct point of the sun has moved from 23°26 north latitude on the day of the "summer solstice" to 11°28 north latitude. In Beijing, the length of the day has been shortened from 15 hours on the summer solstice to 13 hours and 25 minutes, and the height of the sun at noon has also decreased from 73°32 to 61°34 on the summer solstice. As the height of the Sun continues to decrease, so does the heat.

The heat is "out of the heat", which means to leave the heat. It is the fourteenth of the 24 solar terms.

The handle of the Big Dipper is pointing southwest, and when the sun reaches 150° of ecliptic longitude, it is a hot summer. It falls on August 22 and 24 of the Gregorian calendar every year.

"place" means to hide, to terminate, and "place of heat" means that the hot heat is over. Due to the influence of short-term hot weather, there is still a continuous high temperature after the summer heat, although there is no summer heat, it will still be hot and dry, and the weather will turn from hot to muggy. The summer heat is not only different from the small heat, the big heat, but also different from the small cold and the big cold solar terms, which represents the climate change from hot to sultry.

The weather is characterized by dry, muggy. The arrival of the summer also means entering the second half of the Shen month of the Ganzhi calendar.

The time of the summer solar term in 2021 isAugust 23, 2021 at 5:17 a.m. in the Gregorian calendarOn the 16th day of July in the year of the lunar calendar,

It is recommended to eat more products that clear away heat and moisten the lungs, such as white fungus, lily, lotus seeds, honey, kelp, celery, spinach, glutinous rice, sesame, beans and milk; Eat less spicy foods such as onions, ginger, garlic, etc., drink more water, and eat more fresh fruits to maintain the normal moistness of the lungs and respiratory tract.

From the beginning of the heat, the weather began to enter the alternating period from hot to cool, the yang energy in nature tends to converge from the discharge, and the rise and fall of the yin and yang qi in the human body also converts, at this time, the daily life should be adjusted accordingly, the sleep time should be adjusted to go to bed early and get up early, 9 o'clock in the evening to 5 o'clock in the morning is the best time for the human body to replenish energy.

Characteristics of the summer climate:

After the heat, the temperature gradually drops, and the temperature difference between day and night gradually increases, but the temperature is still high during the day. The reasons for this phenomenon are: first, the direct point of the sun continues to move southward, and the solar radiation decreases; Second, the subtropical high retreated southward by leaps and bounds, and the Mongolian cold high began to leap forward and show its edge.

Although the overall temperature will show a downward trend, there will still be a short-term warming of the temperature during the summer season, which is the "autumn tiger" generally occurs between August and September, and the length of the autumn tiger varies every year, generally lasting half a month to two months.

Although the temperature is high, in general, the air is dry and sunny, and the temperature difference between morning and evening is not too high. The reason for the occurrence of tiger weather in autumn is that the subtropical high has returned to control after retreating from the south, forming a hot and hot weather with sunny days and strong sunshine.

The above content refers to the People's Daily Online to prevent summer and autumn dryness.

In the summer, the handle of the Big Dipper is pointing to the southwest direction (E position), and when the sun reaches the ecliptic longitude of 150°, the junction time point is around August 23 of the Gregorian calendar.

On the day of the summer season, the direct sun has moved from 23°26 north latitude on the day of the "summer solstice" to 11°28 north latitude. At this time, if you look at the Big Dipper at night, you will find that the curved handle is still pointing southwest. The arrival of the summer also means that the lead rises into the second half of the Shen month of the Ganzhi calendar.

The folk customs before and after the summer solar term are mostly related to ancestor worship and autumn greeting. Before and after the summer heat, there are folk activities to celebrate the "half of July", commonly known as "half of July" or "Zhongyuan Festival". "I Ching": "Repeat its way, seven days back and forth, and the sky is also." ”

Seven is the number of yang, the number of days, after the yang energy between heaven and earth is extinguished, after seven days can be resurrected, this is the way of heaven and earth, the principle of the cycle of yin and yang, the folk choose to worship their ancestors on July 14 (27) and the number of "seven" is related. The first half of July is a festival for the people to celebrate the harvest in early autumn and give thanks to the earth, and when some crops are ripe, the people routinely worship their ancestors, and make offerings such as new rice to report the autumn harvest to their ancestors.

In the summer season, forest fruits and crops in most parts of China have entered the maturity stage, and farmers have stepped up picking, seized the agricultural time, and carried out field management such as rice fertilization and weeding. "The summer valley is yellowing, and you should beware of strong winds. "After the summer heat, the difference between day and night increases, because the night is cold and the day is warm, the nutrients absorbed by the crops during the day are stored at night, so the crops mature quickly.

The summer heat and the field changed overnight", "the summer heat three days without Ken Valley", "the summer heat three dynasties rice is pregnant", "the summer is full of yellow fields, and every family repairs the warehouse", etc., all show that after the summer solar term, the crops will be harvested soon.