20 18 do the first summer heat and the last summer heat mean the first, middle and last summer heat? What month is it now? Does anyone know?

Early summer heatstroke and late summer heatstroke refer to early, middle and late summer heatstroke.

Initial accommodation:1July 7-10/July 26, 0.

Zhongfu: July 27th to August 15, 20 days.

Terminal: August1June-August 25th 10 day.

"Dog days" is the general name of the first, middle and last three days, and it is the hottest season in a year.

It appears from mid-July to mid-August in the solar calendar every year. Its climate is characterized by high temperature, low pressure, high humidity and low wind speed. "V" means being forced to hide underground.

According to the climate law of the lunar calendar in China, predecessors have long stipulated that "the third Geng day after long summer begins with the first day, the fourth Geng day begins with the second day, and the first Geng day after beginning of autumn ends with the third day, with the first ten days, the middle ten days, the twentieth day, and the third forty days.

Every year, if there are four days between the summer solstice and beginning of autumn day, it will be the middle part of ten days; If there are five Geng days, it is 20 days in the middle and 20 days in most years.

Extended data

According to China's calendar, the first day is the beginning of a real summer. People often say: heat is at three volts, and cold is at three or nine.

Dog days are the season with the highest temperature and humidity in a year, which can be divided into three days: the first, middle and last days, in which the first and last days are fixed as 10 days, some years are 10 days, and some years are 20 days.

At the beginning of the incubation period, it is called entering or alternating, and at the end of the incubation period, it is called appearing. Lodging days depend on lodging time, generally before July 28th, lodging for 20 days, lodging 10 days. The initial stage of 20 17 starts from July 12.

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