What is the first time in the dog days?

The first day of the dog days in 2022 is from July 16, 2022 to July 25, 2022, with a total duration of * * * 10; Zhongfu: July 26th to August, 2022 14, totally 20 days; End point: from August 5, 2022 to August 24, 2022, the total construction period is 10 day.

The dog days appear between the slight summer heat and the severe summer heat (from mid-July to mid-August in Gregorian calendar), and the dog days are divided into three days: the beginning, the middle and the end. Dog days are characterized by high temperature, low air pressure, high humidity and low wind speed. "crouching" means being forced to hide underground; This also means that it is too hot to move.

The date of the dog days is determined by the combination of the solar term date and the date of the dry branch calendar. Because every Geng day is 10 days apart, the stipulated time of the first day and the last day is 10 days. Because the third Geng Day (the first autumn) after long summer appeared sooner or later, the days of autumn were long and short.

The dog days are the hottest, wettest and sultry time of the year. The reason why the air humidity is high in dog days is that the southeast wind blows in dog days, while the southeast is the ocean and the air is humid. The humidity of the sea breeze leads to the high humidity in dog days. In dog days, "high temperature and high humidity" is the climate characteristic of southern China. The inland areas in the north are far from the ocean, and the climate is characterized by "high temperature and dryness".