What does the dog days of summer mean and when does it begin?

What does the dog days of summer mean and when does it begin?
Introduction: Each season has its own climatic characteristics and also has different names. So what does the dog days mean and when does it begin? Want to know more about the dates and auspicious and unlucky days in the sixth lunar month of 2018? The fortune teller website introduces you every day of the sixth lunar month in 2018.

What does the dog days of summer mean?

The dog days occur between the Lesser Heat and the End of Heat, and are the hottest, most humid and muggy days of the year. The so-called "fu days" refers to the "three hot days" in the lunar calendar, which is the hottest period of the year. It can be understood in this way: "Fu" means that the weather is too hot, so it is better to stay still and not move. However, the reason why the dog days are called "fu" is because there are many cold factors involved. The three hottest days of the year are the thirty to forty days in the Central Plains. The three hottest days are calculated according to the lunar calendar, and are approximately between mid-to-late July and early August of the Gregorian calendar.

When does the dog days of summer begin?

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.

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