How is the date of the summer retreat determined, and when does the summer retreat begin

According to the Chinese lunar calendar, starting from the summer solstice, the number of volts begins on the third Geng day of the lunar calendar, and the first Geng day after the beginning of autumn is stipulated as the beginning of the dog days. In this way, sometimes it is ten days, sometimes it is twenty days.

Generally speaking, it is about 45 days between the summer solstice and the beginning of autumn, and if there are four Geng days during this period, then the middle volley is ten days, and if there are five Geng days, then the middle volley is twenty days.

The question of which day to start counting volts is still not easy to solve, because the calendar is generally not marked with the method of counting tomorrow's dry day, so it is not known which day is Geng, so it is difficult to guess which day is the third Geng day starting from the summer solstice.

Since ten days are a Geng day, and a year (return year) is 365 days, although it is not an integer multiple of the Geng day cycle, but the difference is half a Geng day cycle, so it is easy to calculate which day is the Geng day.

Do you know what the summer is, when it is in the ambush, and how many days are determined?

According to the ancient calendar of our country, the first day of the first day is the third Geng day after the summer solstice; The first day of the middle volt is the fourth Geng day after the summer solstice; The first day of the end is the first Geng day after the beginning of autumn.

2014-06-21 [Summer Solstice] Guihai Day. From this day count three Geng days, 06 June 28 Geng Wu, 07 08 Gengchen, 07 18 Geng Yin, this day is the ambush (the first volt). On July 28, Gengzi, Zhongfu.

There are two mid-volts this year. The end of August 17. 08/27 (out of the bush).

In 2015, the summer solstice was June 22, the day of the sunset (the third day after the summer solstice) was July 13, and the beginning of autumn was August 8. 10 days from July 13 to July 22; 20 days in the middle of the volt (because there are 5 Geng days between the summer solstice and the beginning of autumn), from July 23 to August 11; Dog days (last volt) 10 days, from August 12 to August 21; August 22 sunrise.

The scorching heat begins on the third Geng day after the summer solstice and ends on the day before the second Geng day after the beginning of autumn, usually between the scorching heat solar term and the scorching heat solar term. The solar calendar is from mid-July to mid-August.

Summer, also known as "Sanfu", is an expression for the hottest time of the year in the Chinese calendar. Summer heat is divided into three stages: the beginning, the middle and the end. According to the formula of "summer solstice three geng", the third geng day after the summer solstice begins to enter autumn, that is, the first day of the first autumn.

The first Geng day after the beginning of autumn is the first day of the last autumn.

The formula for "summer solstice three gengzi" is that it begins to set on the third hept day after the summer solstice, that is, on the first day of the first autumn. The first Geng day after the beginning of autumn is the first day of the last autumn. The first time the chaos is at the end of the 10 days.

The middle volt is between the first volt and the last volt and lasts for 10 or 20 days.

Yes"G"The day of the word is called"Geng day"。The "庚" of Geng Day is the 7th character in the 10 days of the "A, B, C, D, E, G, G, XIN, REN, GUI key calendar", which is repeated every 10 days on the Lu search day of the Geng manuscript. There are four Geng days between the summer solstice and the beginning of autumn, 10 days in midsummer, and 20 days when there are five Geng days.

So, some years the dog days are 30 days, and some years are 40 days.

The third Geng day after the summer solstice begins.

The summer season starts from the third Geng day after the summer solstice and ends on the day before the second Geng day after the beginning of autumn, which is generally between the small summer solar term and the summer solar term, and the solar calendar is from mid-July to mid-August. Summer Fu, also known as "three dogs", is the expression of the hottest period of the year in China's nuclear or rolling calendar.

The summer season is divided into the beginning, the middle and the end. According to the mantra of "summer solstice three Geng", the third Geng day after the summer solstice begins to enter the ambush, that is, the first day of the first volt. The first Geng day after the beginning of autumn is the first day of the end of the year.

Both the first and last days are 10 days. The middle volt is between the first and last volts, and it is 10 or 20 days.

Summeris the third after the summer solsticeGeng dayStarted. It ends on the day before the second Geng day after the beginning of autumn, which is generally in the small summer solar term.

Between the summer solar terms, the solar calendar is from mid-July to mid-August, and the summer season, also known as the three dog days, is the form of expression of the hottest period of the year in the old calendar of our country.

Characteristics of summer volley

Summer sail sells a state of laughter and is divided into the beginning, middle and end.

According to the mantra of the summer solstice Sangeng, the third Geng day after the summer solstice begins to enter the ambush, that is, the first day of the first volt, the first Geng day after the beginning of autumn is the first day of the last volt, the first and last volcanic are 10 days, and the middle volt is between the first and last volcanes, which is 10 days or 20 days.

This year, there are two middle volts, that is, the middle volt, the middle volt lasts for 10 days, but plus the intercalary is 20 days, so this year's middle volt should be hotter, because from June, the weather has gradually begun to rise, and the temperature in some parts of the south has reached more than 30 degrees, especially the middle volt, the temperature of the middle volt is higher than that of the first volt, but the middle volt is also suitable for health.

Summary. Hello, after inquiry, the summer is from the third Geng day after the summer solstice, and the third Geng day is the first day of the beginning of the number of volt days. It is one of the 24 solar terms in China, and it marks the beginning of the second half of summer.

Hello, after inquiry, the summer sun destroys the grip from the third Geng day after the summer solstice, and the third Geng day is the first day of the beginning of the number of dog days. Xiafu is one of the four solar terms in China, and it is sold as the second half of summer.

The predecessors have long stipulated: the third Geng day after the summer solstice begins to be the beginning of the Gaona, the fourth Geng day is the second volt, the first Geng day after the beginning of autumn is the summer volt, the first and last volts are ten days each, the middle volt is ten trembling days or twenty days, and the "summer volt" is a total of thirty or forty days. Eggplant pure.