What do you mean, last fall?

The last lodging is one of the "three lodging", and the so-called "lodging" means "falling to the ground in the summer", which marks the hottest period of the year; Some explanations are that "squatting" means it is too hot to move. The dog days appear between the hot summer and the hot summer, and its climate is characterized by high temperature, low pressure, high humidity and low wind speed. The last volt is the last volt of the dog days, commonly known as the autumn tiger. The last few days are cooler in the morning and evening, and the sunshine is still strong during the day.

Three volts, the initial, middle and final volts, is the hottest period of the year. "V" means being forced to hide underground. The dog days appear in the Gregorian calendar from mid-July to mid-August every year, and its climatic characteristics are high temperature, low pressure, high humidity and low wind speed. The so-called "heat is in three volts" can be divided into initial, middle and final three volts, and its date is determined by the date of the solar terms. ?

According to the traditional calculation method in China, the third watch from summer to the future is the beginning of the first fall, the fourth watch is the beginning of the middle fall, and the first watch after beginning of autumn is the beginning of the final fall. Because every Geng day is 10 days apart, the stipulated time of the first day and the last day is 10 days. The number of days in midsummer is long or short, which may be 10 or 20 days, depending on the date of the third Geng Day (the first autumn) after the solar term of summer solstice every year.