How many days does the small office go into ambush, and how many days does the small summer solar te

The day of the small office is not the day of ambush.

The traditional method of calculating the Futian is to start from the summer solstice, according to the arrangement of the dry and branch days, and the third Geng day is the first volcane. The fourth Geng day is the middle volt, and the first Geng day after the beginning of autumn is the last volt. So, when is 2016 in ambush?

Dog times in 2016.

First Days: July 17 - July 26.

Mid-volt: July 27 - August 15.

Last Days: August 16 - August 25.

The "three dog days" refer to the first, middle and last volts, which is about the period from mid-July to mid-August. After the summer solstice, although the days are getting shorter and the nights are getting longer, the days are still longer than the nights, and the ground still absorbs more heat than it emits every day, and the temperature near the ground is getting higher day by day. During the dog days, the ground absorbs almost more heat than it emits and the weather is at its hottest.

After that, the ground begins to absorb less heat than the ground emits and the temperature slowly drops. Therefore, the hottest time of the year generally occurs during the "dog days" of the summer solstice.

Counting from the third "Geng" day after the summer solstice, the first volt (10 days), the middle volt (10 or 20 days), and the last volt (counting from the first Geng day after the beginning of autumn, 10 days), is the hottest time of the year.

After the ambush, the surface humidity becomes larger, the heat absorbed every day is more, the heat emitted is less, and the heat of the surface layer accumulates, so it gets hotter and hotter day by day. 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.

The beginning and end of the summer solar term are fixed at 10 days, with 10 days in some years and 20 days in some years.

The term "three-pronged" is a collective term for the first, middle and last volts, and is the hottest time of the year. It occurs every year from mid-July to mid-August in the solar calendar. Its climate is characterized by high temperature, low air pressure, high humidity and low wind speed.

"Fu" means that the yin energy is forced by the yang energy to hide underground. According to the climate law of China's lunar calendar (lunar calendar), the predecessors have long stipulated: "The third Geng day after the summer solstice begins to be the first volt (first volt), the fourth Geng day is the middle volt (two volts), and the first Geng day after the beginning of autumn is the last volt (three volts), and every ten days is a total of 30 days."

In some years, there are 20 days in the middle of the year, and there are 40 days in total.

1. The general term for the primary, middle and final volts. The third Geng day after the summer solstice is the first day of the first volcane, the fourth Geng day is the first day of the middle volcan, the first Geng day after the beginning of autumn is the first day of the last volcan, ten days each for the first and last volcanic days, and ten or twenty days for the middle volcanic day. It also usually refers to the period of time from the first day of the first day to the tenth day of the last day.

Dog days are generally the hottest time of the year.

2. Refers specifically to the end of the volt.

According to the "General Book", "Lunisolar Calendar" and "Perpetual Calendar", it can be seen that the "three dogs" of the solar calendar in 2005 A.D. [the year of the lunar calendar Yi You (Rooster) year] are: July 15, the first ten Gengzi day of the lunar calendar is the first volt (also called the head of the volt); On July 25, the 20th day of the lunar calendar is the middle volt (two volts); On August 14, the tenth day of the seventh month of the lunar calendar, Gengwu is the last day (three dogs).

In a normal year, every 10 days, a total of 30 days. But the "year" of 2005 is 20 days of "mid-volts" (2 volts). Thus, the "dog days" period is forty days.

That is, from the beginning of the tenth day of the lunar calendar to the last day of the end of the lunar calendar (the 20th day of the seventh month of the lunar calendar), exactly 40 days before and after.

。Because the Geng day is different every year, and the ambush is counted from the third Geng day of the summer solstice, the ambush time is different every year. However, when the dog days are in ambush, it is usually within the small summer solar term, because the small summer solar term is the next solar term of the summer solstice, and then it is all the way to.

5 days after the summer heat.

July 11, 2023 - July 20, 2023, a total of 10 days; The start and end time of the middle volt: July 21, 2023 - August 9, 2023, a total of 20 days; The start and end time of the end: August 10, 2023 - August 19, 2023, a total of 10 days.

The climate of dog days is characterized by high temperatures, low atmospheric pressure, high humidity and low wind speeds. This is the hottest time of the year because the days are longer than the nights in the summer, so the sun shines longer. The surface absorbs far more heat than it spends, which increases the amount of heat that builds up on the ground on a daily basis, and the accumulation of surface heat peaks during the dog days when temperatures continue to rise.

And in summer, it rains a lot, the air humidity is high, and the heat capacity of water is much greater than that of dry air, so it is easy to have sultry weather in summer.

Introduction to the summer weather:

At the beginning of the summer heat, the plum rain in the Yangtze-Huai River basin ended successively, and the southeast monsoon rainy season from the Pacific Ocean began in the vast area north of the Huaihe River and Qinling Mountains in the east, and the precipitation increased significantly, and the rainfall was relatively concentrated. South China, Southwest China, and the Qinghai-Tibet Plateau are also in the southwest monsoon rainy season from the Indian Ocean and the South China Sea. The middle and lower reaches of the Yangtze River are generally under the control of the subtropical Danyu leakage high pressure and low rainfall weather.

In some years, the cold air in the north is still strong before and after the summer heat, and it is evenly matched with the warm air in the south in the middle and lower reaches of the Yangtze River, and there are frontal thunderstorms. The thunderstorms in the summer season are often the weather information of "pouring yellow plums", and the omen rain belt will continue for a period of time in the middle and lower reaches of the Yangtze River.

Around the time of the summer heat, most parts of southern China entered the season with the most thunderstorms. Thunderstorms are a violent weather phenomenon that is often accompanied by high winds, heavy rain, and sometimes hail, which can easily cause disasters.

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It's not a little summer, it's not an ambush, it's not the first day of an ambush. Because the time of the ambush is not fixed every year, and the length of the ambush is not the same, the first day of the ambush is generally counted from the third Geng day after the summer solstice. The 2023 Xiaoxia is Friday, July 7 in the Gregorian calendar, the twentieth day of the fifth month of the lunar calendar.

Xiao Xia is a traditional Chinese festival in which people adopt some customs and measures to cope with the hot weather. In some places, there will be customs such as taking advantage of the cool muqiao, drinking herbal tea, and eating cool food. In addition, people will also pay attention to heatstroke prevention and cooling to protect their health.

Xiao Xia is not the first day of ambush. Ambush refers to entering the dog days. "Summer solstice three Geng several head volts", this is the basis for establishing the first volt. This means that the ambush begins on the third "Geng" day after the summer solstice. Xiaoxiao is a small heat, which means that the weather is starting to get hot, but it is not yet at its hottest.

The dog days are divided into the beginning, the middle and the end, the first day is 10 days, the middle is 10 days or 20 days, and the last day is 10 days. After the ambush, the surface humidity becomes larger, absorbing more heat every day, dissipating less heat, and the heat in the surface layer accumulates. So every day it gets hotter and hotter, and when it enters the dog days, the heat accumulated on the ground reaches its peak, and the weather is the hottest.

There are three waits for Xiaoxia: "one waits for the warm wind to arrive; two waiting crickets live in the sky; Three migratory eagles. "Crops such as winter and spring wheat are harvested in the northeast and northwest around the summer.

In most parts of the country, summer and autumn crops are at their most vigorous, and people are busy with field management of summer and autumn crops at this time.

In the past, there was a custom of "eating new" in the summer heat. "Shixin" is to grind freshly beaten rice and wheat into flour to make various cakes and noodles, and neighbors and villagers share and eat to express their wishes for a good harvest. At the same time, these new goods should also prepare a sacrifice to the ancestors, and ask for blessings for good weather.

After the summer heat, it coincided with the first heat wave of the "dog days". Northerners are accustomed to drinking porridge on the day of the summer heat, mainly to clear the heat and prevent heatstroke, and fried mung bean sprouts have become the first choice for side dishes. In many places, there is also the custom of "eating lotus root in the summer heat", because the lotus root has an appetizing effect and is suitable for summer consumption.

Xiao Xia is not the first day of ambush,However, after the solar term, it will enter the dog days, because the dog days of the year usually occur between the summer heat and the summer heat. Here's the 2022 dog days schedule:

Schedule: July 16 (Saturday) to July 25 (Monday), a total of 10 days.

Timetable: July 26 (Tuesday) to August 14 (Sunday), a total of 20 days.

Schedule: August 15 (Monday) to August 25 (Thursday), a total of 10 days.

The above 2022 dog days schedule is determined based on the first, middle, and last dog days displayed on the calendar in our country. In ancient times, the dog days were calculated from the third Geng day of the summer solstice, and the summer solstice in 2022 is June 21 (Tuesday), which shows that the first Geng day after the summer solstice this year is June 23, the second Geng day is July 6, and the second Geng day is July 11.

Therefore, according to the third Geng day of the summer solstice, if the dog days are counted as July 11, if it is according to the calendar, it will be on July 16, and the specific local traditional customs shall prevail.

Generally speaking, Xiaoxia is not the first day of the ambush, but after the solar term, it will enter the dog days, because the annual incubation time usually occurs between the small heat and the summer heat.