How many days are there in the head, middle and tail?

1, dog days, big, medium and final volts are all 10 days.

2. The dog days are divided into early, middle and late days, and each day lasts 10 days, which constitutes a dog day for one month. There is a saying that "heat is in dog days and cold is in March 9", which refers to the climate performance in dog days and March 9. In dog days, the temperature is high and there is little rain, so it is easy to get heatstroke at this time of the year.

The dog days are the hottest, the highest temperature and the most vigorous yang in a year. At this stage, the human body is relaxed, the meridians and qi and blood circulate, which is conducive to the penetration and absorption of drugs, and Geng Day is related to lung gold (Geng Day is gold, belonging to the large intestine, and the large intestine and the lungs are both in the outside and inside), which is the best time to warm the lungs and eliminate potential cold pathogens.

4. In addition, the acupoints of bladder meridian and Du meridian, which have the functions of warming meridians, dispelling cold, resolving phlegm and relieving asthma, are carefully selected for application, and complement each other to achieve the function of strengthening the body resistance and eliminating evil, so they can play the role of preventing and treating diseases.

5, dog days, it appears between the hot summer and the hot summer, it is the highest temperature and humidity in a year, and the weather is sultry. The "crouching" in "dog days" refers to "crouching evil", which is the so-called "six evils" in summer evil.

6.202 1, the accommodation time is July 1 1, and "three days" is 40 days in total, of which "intermediate days" is 20 days.

7. The dog days appear in midsummer and summer heat, which is the day with the highest temperature, humidity and sultry weather in a year. The so-called "dog days" refers to the "dog days" of the lunar calendar, which is the hottest period of the year. It can be understood as "squatting" means that the weather is too hot to move. But the dog days are called "dog days" because there are also many cold factors. The dog days are the hottest 30-40 days in a year in the Central Plains. According to the lunar calendar, it is from the middle and late July to the middle and late August of the solar calendar.