In China, summer begins at the beginning of summer and ends at the beginning of fall; in some parts of China, it runs from the summer solstice to September.

June, July, and August are usually recognized as summer months in Japan. In some parts of the Northern Hemisphere, summer is called summer solstice to fall. In the Southern Hemisphere, December, January, and February are generally recognized as summer months.

Summer, the second of the four seasons, summer in English, also known as "Hao Tian", is the northern hemisphere in the hottest season of the year, China's customary summer as the beginning of summer, meteorological summer to be delayed to about 25 days after the summer. Ancient people counted the fourth, fifth and sixth months of the lunar calendar as "summer"; today's people take the calendar 6, 7, 8 months as "summer". Westerners generally call the summer solstice to fall into summer. The scientific method is to divide the average temperature above 22℃ as "summer". Accordingly, summer ends when the average temperature is consistently below 22℃. In the southern hemisphere, December, January and February are generally recognized as summer.

June 21 or 22 is the summer solstice, the day the sun shines directly on the Tropic of Cancer (Tropic of Cancer), at which time the Tropic of Cancer and the latitudes north of it, the height of the sun at midday reaches its maximum value for the year. The day length of each latitude reaches its maximum value in a year, north of the Arctic Circle, the sun does not set the whole day, the phenomenon of polar day; south of the Antarctic Circle, the moon does not set the whole night, the phenomenon of polar night.

Expanded:

The 7 benefits of sweating in summer

1. Repel dampness

Dampness is the accomplice of many winter attacks of disease, summer discharging the body's dampness helps to treat winter diseases. The human body movement sweating, but also in the body to drive away the damp and cold air, before Pin Pin sister recommended that we soak your feet 2-3 times a week during the three days, so that the body slightly sweating, but also the way to get rid of dampness. Sweating helps to get rid of dampness, but too much sweating can lead to qi deficiency, resulting in dry mouth, limb weakness, panic symptoms. Pin Pin sister suggests that we sweat moderately, drink more water, to avoid excessive water loss of the body triggered discomfort symptoms.

2. Lose weight and prevent chronic diseases

Summer cells are more active, the effect of exercise is more obvious. This time to exercise, help to burn body fat, promote the conversion of fat into heat, through the sweat out of the body, so as to effectively reduce fat. After sweating to lose weight, weight, body fat does not exceed the standard, the chances of suffering from chronic diseases such as three high will be greatly reduced.

3. Reduce blood pressure?

Hypertension is because the unit blood flow is restricted, a high blood pressure phenomenon. Sweating helps to expand capillaries, accelerate blood circulation, increase the elasticity of blood vessel walls, with the effect of lowering blood pressure. Sweating can regulate blood pressure, but hypertensive patients should not take a lot of exercise sweating way to lower blood pressure, should adhere to light exercise, such as morning and evening walks, jogging, practicing tai chi, through light exercise heat dissipation, is the correct way to sweat.

4. Relieve acne and pimple skin?

Increased sweating in summer, the pores will be opened with it, which is when acne and other garbage hidden in the pores will flow out with the sweat, and the skin will be smoother to the touch, and the skin symptoms such as acne and pimples will be relieved.

5. Avoid heat stroke?

When the body temperature rises to a certain level, the body's sweat gland secretion increases, the body will naturally discharge sweat to take away excess heat, regulate body temperature, so that the body is not too hot, triggering heat stroke.

6. Prevent stones?

The body of magnesium phosphate and other inorganic salts crystallization precipitation, in the long run into the stone, sweating can help eliminate the body of salt and retain calcium in the bones, thus preventing the generation of stones.

7. Regulate emotions?

Sweating properly in the summer, can be some of the body's heat out of the body, drive away from the diet into the body of the stomach fire and heart fire, liver fire, effectively regulate the spleen and stomach, to avoid the phenomenon of heart qi irritability.

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