One volt: July 2022 16-July 25, 2022, *** 10 day; Volt: July 26, 2022-August 2022 14, ***20 days; Dog days: August 2022 15-August 24, 2022, *** 10 day.

The 20 days from July 26th to August14th in midsummer in 2022 are the hottest. The dog days are composed of head, middle and last days, and the head has 10 days, the last has 10 days, and the middle has 10 days or 20 days, so the dog days are divided into 30 days or 40 days. The dog days of the year should be accounted for by combining the first and last days.

Introduction to dog days:

As the saying goes, "It's cold in March 9th, but hot in the dog days". On the first day of the first fall, it began to enter the hottest period of the year. "Jiujiu" is counted from the first nonyl day after the winter solstice, while for "Jiufu", the initial day of the first fall is counted from the third Geng day after the summer solstice.

The so-called "three volts" refers to the initial, intermediate and final volts, which is the hottest and wettest period of the year.