What are the dog days of summer? When are the dog days of summer in 2017?
Introduction: When talking about summer, besides the scorching heat, many people will think of the special climate season term "dog days". Do you know the specific time distribution definition of the dog days? So what are the dog days of summer? When are the dog days of summer in 2017? Let’s follow the editor to find out. Every day has good and bad days, auspicious and inauspicious days. If you want to know more about the auspicious and inauspicious days in the sixth lunar month, please stay tuned to the articles related to the sixth lunar month carefully compiled for you by Mr. Shui Mo!The meaning of dog days:The dog days are determined according to the ancient Chinese "ganzhi calendar". The third Geng day (the day with the character "Geng" in the Ganzhi calendar) after the summer solstice every year is the first Fu day, the fourth Geng day is the middle Fu day, and the first Geng day after the beginning of autumn is the last Fu day, which are collectively called the Three Fu days. According to the Gregorian calendar, it occurs from mid-July to mid-August. This is the hottest time of the year in most parts of my country.When is the dog days of summer in 2017? How to check?The dates for the dog days in 2017 are as follows:The first, middle and last dog days of 2017 are as follows, a total of 30 days . The first dog days of 2017 : July 12, 2017 Gengchen The middle dog days of 2017: July 22, 2017 Gengxu The last dog days of 2017: August 11, 2017 Gengwu The dog days of 2017 last for a total of 30 days, starting from July 12, 2017 to ending on August 20. The dog days occur between the Lesser Heat and the Beginning of Autumn, and are the hottest, most humid, and most sultry days of the year. Fu means lurking. The "Fu" in "Three Fu Days" refers to "Fu Xie". That is the so-called heat evil among the "six evils" (referring to "wind, cold, heat, dampness, dryness and fire"). The so-called "futian" refers to the "three hot days" in the lunar calendar, which is the hottest period of the year. The time of the beginning of the dog days is not fixed every year, and the length of the middle dog days is also different. It is necessary to check the calendar to calculate. The date of the beginning of the dog days can be simply expressed by the four-character formula "Summer Solstice San Geng", that is, starting from the third "Geng" day after the summer solstice. The first dog days is 10 days, the middle dog days is 10 days or 20 days, and the last dog days is 10 days. The "ganzhi calendar" was popular in ancient my country. The days were recorded in a cycle using 60 different names formed by matching 10 heavenly stems with 12 earthly branches. Any day containing the character Geng is called Geng Day. The "Geng" in Geng day is the 7th of the 10 heavenly stems "Jia, Yi, Bing, Ding, Wu, Ji, Geng, Xin, Ren, Gui", and Geng day repeats every 10 days. Starting from the summer solstice, according to the arrangement of the Ganzhi calendar, the third Geng day is the first dog days, the fourth Geng day is the second dog days, and the first Geng day after the beginning of autumn is the last dog days. When there are 4 Geng days between the summer solstice and the beginning of autumn, the middle dog days lasts 10 days, and when there are 5 Geng days, it lasts 20 days. It seems that the early or late appearance of Gengri will affect the length of the dog days, so in some years the dog days last for 30 days, while in other years they last for 40 days. After the beginning of the dog days, the humidity of the ground becomes higher, and it absorbs more heat every day and emits less heat. The heat on the surface accumulates, so it gets hotter day by day. When the dog days begin, the accumulated heat on the ground reaches its peak, and the weather is the hottest. In addition, there is more rain in summer and the air humidity is high. The heat capacity of water is much greater than that of dry air, which is also an important reason for the hot and humid weather. The subtropical high pressure strengthens in July and August. Under the control of the subtropical high pressure, the downward air flow inside the high pressure makes the weather clear and cloudless, which is conducive to sunlight and ground radiation warming, making the weather even hotter. Summary: Through the above article, we know what are the dog days of summer? Now we have a certain understanding of when the dog days of summer are in 2017. I hope this can provide some new knowledge to my friends! |
>>: What are the dog days of summer? What are the origins and customs of the dog days of summer?
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