What does Gengri mean in the Yellow Calendar?

G: In ancient China, time was recorded by combining heavenly stems and earthly branches. The aerial trunk number is 10, which is a, b, c, d, e, g, Xin, n, G (guǐ).

To calculate the number of days. As the saying goes, "dog days" are calculated by Geng Day.

Starting from the summer solstice, after a boxer, a boxer and a boxer, it is the first day. The first appearance, according to China's calendar, is the beginning of a real summer.

The third Geng day after the summer solstice is the first day of the dog days.

It is often said that it is the season with the highest temperature and humidity in a year, which is divided into three days: the first, the middle and the last.

Calculating the dog days is helpful for ancient people to avoid the harm caused by high temperature.

Gregorian calendar:

The Gregorian calendar, also known as the old Gregorian calendar and the imperial calendar, was born on the basis of the China lunar calendar, and it is a perpetual calendar with good and bad luck every day. According to legend, the yellow calendar was created by Xuanyuan Huangdi, so it is called the yellow calendar. The main content of the Gregorian calendar is the 24 solar terms, as well as daily taboos, branches, values, stars, moon phases, good or bad luck and so on.

Almanac is the code of conduct followed by ancient emperors. It was calculated and published by Qin, so it is also called almanac. This includes not only astronomy and meteorology, seasons and seasons, but also some taboos that people should abide by in their daily lives. Its content guides the farming opportunity of working farmers in China, so it is also called farmer calendar. China folk commonly known as the general book; However, because the word "book" and "lose" in Tongshu are homophonic, it is also called "Tong Sheng" because of taboo.

In modern times, the main contents of the Gregorian calendar include: Gregorian calendar, lunar calendar and trunk calendar, twenty-four solar terms and Sunday (week), taboos, disasters, directions, fleeting time, traditional lunar calendar, nine planets in Kong Xuan and so on.