When will it be in 2010, and what time will it be in 2013?

July 19 The first day.

July 29 Mid-volley.

August 8 Late Fall.

The time of ambush is calculated according to the day of the heavenly stem and the earthly branch, and the specific method is as follows: the third Geng day after the summer solstice is the first volt, the fourth Geng day is the middle volcan, and the first Geng day after the beginning of autumn is the last volcan. Therefore, the first and last days are fixed for 10 days, and the middle day is sometimes 10 days and sometimes 20 days, that is, if the fifth Geng day after the summer solstice is before the beginning of autumn, then the sixth Geng day (the first Geng day after the beginning of autumn) is the last day, and the middle day is 20 days; If the fifth Geng day after the summer solstice is after the beginning of autumn, then the fifth Geng day (the first Geng day after the beginning of autumn) is the last day, and the middle day is 10 days.

In 2010, the summer solstice was June 21 --- Renyin Day, the first Geng day was June 29 --- Gengxu Day, the third Geng day was July 19 --- the beginning of the volcane, the fourth Geng day was July 29 --- the middle volcane, and August 8 was the first Geng day after the beginning of autumn --- the end of the volcane. This year, each volt is 10 days.

July 19 The first day.

July 29 Mid-volley.

August 8 Late Fall.

This year, July 19 is the first volt, July 29 is the middle volcane, and August 8 is the last volt, and each volt this year is 10 days, and the volcanic day is 10 days less than last year.

2010 New Year: July 19 (the eighth day of the sixth lunar month) - July 28 (the seventeenth day of the sixth month of the lunar calendar).

Zhongfu: July 29 (the 18th day of the 6th month of the lunar calendar) - August 7 (the 27th day of the 6th month of the lunar calendar).

Last Month: August 8 (the 28th day of the sixth month of the lunar calendar) - August 17 (the eighth day of the seventh month of the lunar calendar).

On June 21, the summer solstice was in ambush, and on August 8, autumn began to rise.

In 2013, the first day of the year was July 13, and according to the rules of the lunar calendar, the third "Geng day" after the summer solstice was the first day of the first day. It does not belong to the 24 solar terms, there is no specific point, if it is specific, it should be from zero point.

June 21, 2013, the 14th day of the fifth lunar month, the summer solstice.

July 13th, the sixth Gengchen of the sixth month of the lunar calendar, is the first day of the head of the first day, and the head is 10 days.

On July 23rd, the sixteenth Gengyin of the sixth month of the lunar calendar, it is the first day of the second dog day and the second dog day of the 20th day.

August 7 begins autumn. The first "Geng day" after the beginning of autumn is the first day of the dog days.

On August 12th, the sixth day of the seventh month of the agricultural pants sedan calendar, it is the first day of the dog days, and the dog days are 10 days.

On August 21, Futian ended.

This year's Dog Days will have a total of 40 days, i.e., 10 days for the first volt, 20 days for the second volt, and 10 days for the third volt.

In the summer of 2011, on July 14, it was ambushed, and it was 20 days in the middle of the ambush, and the total number of days in the ambush was 40 days.

The first day of the summer solstice or the first day of the first day is a period of time from the third day of the summer solstice to the day before the fourth day of the summer solstice, and the third day of the day is the first day of the first day; The middle or second volt is a period of time from the fourth Geng day after the summer solstice to the first Geng day after the beginning of autumn, the fourth Geng day is set as the first day of the beginning of the middle volt, the beginning of autumn before the seventh month of the lunar calendar, the middle volt is 10 days, and the middle volt is 20 days after the beginning of the seventh month of the lunar calendar; The end or end of the day is a period of time from the first day of the beginning of autumn to the day before the second day of the day, and the second day of the day is set as the end of the day.

Specifically, in 2011, the summer solstice day was June 22, the ambush day (the third Geng day after the summer solstice) was July 14, and the first day of the summer solstice ended on July 23; The number of mid-volt days is 20 days, from July 24 to August 12; The dog days are from August 13 to August 22, with the sun rising on August 23.

July 14 The first day of the first day.

July 24 The first day of the mid-volt.

August 13 The first day of the end.

The date of intake in a normal year can only be 5 days earlier or 5 days later than the date of incubation in the previous year.

Ambush means to enter the dog days.

The summer solstice is three Geng, and there are several head volts", which is the basis for establishing the initial volt.

The summer solstice three Geng number of volts, first look at the day of the summer solstice with the stem branch to represent what day, in turn backward postponed, when the encounter "Geng" day is counted as the first Geng, when the third "Geng" day, that day begins to count the volts, that is, the first day of the first volt. This year's summer solstice, June 22 is Wushen Day, and June 24 is Gengxu Day, which is the first Geng day of the summer solstice. Ten days later, July 4 is Gengshen Day, which is the second Gengshen day of the summer solstice.

Ten days later, July 14 is the day of Gengwu, which is the third day of the summer solstice, so July 14 is the first day of the beginning of the year.

The dog days refer to the three consecutive periods of the beginning, the middle and the end.

The number of days of the first volt is determined, starting from the third Geng day after the summer solstice every year, to the second Geng day before the second Geng day, a total of ten days. The beginning of 2009 is from July 14 to July 23.

The number of days in the middle of the volt is uncertain, starting from the fourth Geng day after the summer solstice to the first Geng day after the beginning of autumn. As a result, the number of days is sometimes 10 days, but in some years it is 20 days. In 2009, the middle of the year was from July 24 to August 12, a total of 20 days.

Among them, August 3 is Gengchen Day, and August 7 (癸酉 Day) is the beginning of autumn.

The number of days at the end of the day is determined, starting from the first Geng day after the beginning of autumn and ending before the second Geng day after the beginning of autumn. The end of the day lasted for ten days. At the end of 2009, it was from August 13 to August 22.

July 14 The first day of the first day.

July 24 The first day of the mid-volt.

August 13 The first day of the end.

In the summer of 2012, on July 18, it was ambushed, and it was 10 days in the middle of the ambush, and the total number of days was 30 days.

The first day of the summer solstice or the first day of the first day is a period of time from the third day of the summer solstice to the day before the fourth day of the summer solstice, and the third day of the day is the first day of the first day; The middle or second volt is a period of time from the fourth Geng day after the summer solstice to the first Geng day after the beginning of autumn, the fourth Geng day is set as the first day of the beginning of the middle volt, the beginning of autumn before the seventh month of the lunar calendar, the middle volt is 10 days, and the middle volt is 20 days after the beginning of the seventh month of the lunar calendar; The end or end of the day is a period of time from the first day of the beginning of autumn to the day before the second day of the day, and the second day of the day is set as the end of the day.