When did the dog days start and end?

Dog days occur between the summer and the beginning of autumn, and are the hottest and humid days of the year.

Every year is different.

Dog Days 2011:

The specific time is:

July 14, 2011 July 23, 2011.

It is the first volt. 10 days.

July 24, 2011 August 12, 2011.

It is a medium volt. 20 days.

August 13, 2011 August 22, 2011.

for the end. 10 days.

Dog days: The specific time is:

July 18, 2012 July 27, 2012.

It is the first volt. 10 days.

July 28, 2012 August 6, 2012.

It is a medium volt. 10 days.

August 7, 2012 August 16, 2012.

for the end. 10 days.

Dog Days 2013:

The specific time is:

July 13, 2013 July 22, 2013.

It is the first volt. 10 days.

July 23, 2013 August 11, 2013.

It is a medium volt. 20 days.

August 12, 2013 August 21, 2013 is the end of the year.

10 days. Dog Days 2014:

Sky. July 28, 2014 August 6, 2014. It is a medium volt.

Sky. August 7, 2014 August 16, 2014. for the end.

Sky. Dog Days 2015:

Sky. July 23, 2015 August 11, 2015. It is a medium volt.

Sky. August 12, 2015 August 21, 2015. for the end.

Sky. Dog Days 2016:

Sky. July 27, 2016 August 15, 2016. It is a medium volt.

Sky. August 16, 2016 August 25, 2016. for the end. Sky.

The ancients called the hottest day in summer "midsummer", the summer is hot, especially the "three dogs" is prosperous, so people have the act of taking refuge in the summer day, the heat is unbearable when the summer is unbearable, people are looking forward to spending it quickly, so "midsummer" has the common name of "summer" and "summer".

And the so-called "dog days" are the hottest in the Central Plains region of the year.

Thirty or forty days, the dog days are calculated according to the lunar calendar, which is about the middle of July to the beginning of August in the solar calendar.

The 2014 dog days' first, middle and last dog days are as follows, a total of 30 days.

The dog days of 2014 lasted for a total of 30 days, starting on July 18 and ending on August 17, 14.

The dog days of 2021 start on July 11 and end on August 19, for a total of forty days. Dog days are divided into the first volt, two volts and three volts, the time of one volt and three dog days is 10 days, and the second dog has two situations: 10 days and 20 days.

In the folk, there is a saying that "the summer solstice is three Geng into the head of the Fu", which means that the dog days are counted from the beginning of the summer solstice, and the third Geng day is the beginning of the dog days. The dog days of 2021 start on July 11 and end on August 19, for a total of forty days. Dog days are divided into the first volt, two volts and three volts, the time of one volt and three dog days is 10 days, and the second dog has two situations: 10 days and 20 days.

The so-called "dog days" refer to the "dog days" of the lunar calendar, which are the hottest times of the year. "Volt" means that the weather is too hot to move. But dog days are called "volts" because there are still a lot of cold elements.

Sanfu is the hottest thirty or forty days of the year in the Central Plains.

The specific times are as follows:

The beginning of 2021: July 11 - July 20, a total of 10 days.

2021 mid-volt: July 21 - August 9, a total of 20 days.

End of 2021: August 10 - August 19, a total of 10 days.

Dog days generally start in mid-July and end in late August.

Dog days, which occur between the heat and the hailstorm, are the hottest, humid and muggy times of the year. The three dog days are divided into the beginning, the middle and the end, and its date is determined by the date of the solar terms of the Ganzhi calendar and the date of the Ganzhi period. After the "ambush", many places across the country will enter a continuous high temperature mode.

The traditional almanac stipulates: "The summer solstice three Geng will count the volts", which means that "from the summer solstice source high day" to the next day, count to the third "Geng day" and begin to ambush. The "Geng day" here refers to the day with the prefix "Geng" in the ancient "Ganzhi Chronicle Law".

"Fu" means that the yin energy is forced by the yang energy to hide underground; It also refers to the fact that the weather is too hot and should not be moved.

The length of the volcanic sky is mainly in the difference between the middle volts. Because the time of occurrence of the third Geng day (the first volt) after the summer solstice solar term is different every year, the number of days leading to the mid-volt is also different. The duration of the mid-volt period can be long or short, it may be 10 days or 20 days.

So there are some years when the day is 30 days, some years are 40 days, and there are two situations.

The date of the dog days is determined by the combination of the solar terms date and the date of the Ganzhi calendar in conjunction with the date of the Ganzhi calendar. Because there are 10 days between each Geng day, the prescribed time for the first and last days is 10 days. And because the third Geng day (first volt) after the summer solstice solar term occurs sooner or later, the number of days in the middle volt is long and short.

The start of dog days in 2022 is July 16.

There are 40 dog days in 2022. This year's first dog season is from July 16th to July 25th, and the last dog is from August 15th to August 24th.

Dog days, one dog day is ten days, which is calculated according to the number of tens of the heavenly stem. Therefore, the division of dog days is the beginning of the first dog day.

The time of the ambush is not fixed every year, and the length of the ambush is not the same, it needs to be calculated with a chaotic chain to check the almanac, and it is simple to use the 4-word formula of "summer solstice three Geng" to indicate the date of ambush, that is, from the third "Geng" day after the summer solstice, the initial ambush is 10 days, the middle volcanic is 10 days or 20 days, and the last volcanic is 10 days.

Dog days are the hottest reasons:

After the ambush, the surface humidity becomes larger, absorbs more heat every day, emits less heat, and the heat of the surface layer accumulates.

In addition, there is a lot of rain in summer, the air humidity is high, and 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. In July and August, the subtropical high strengthened, and under the control of the subtropical high, the downdraft inside the high pressure made the weather clear and cloudless, which was conducive to sunlight exposure, and the ground radiation warmed, and the weather became hotter.