When will it be delivered?

/kloc-July of 0/4 (June of the lunar calendar 14) entered the first battle stage. On July 24th (June 24th of the lunar calendar), he entered Zhongfu. /kloc-August of 0/3 (July 14th of the lunar calendar) entered the closing stage. That is, the first 10 day, the middle 20 days, the last 10 day and ***40 days.

According to China's calendar, this is the beginning of a real summer. As the saying goes, it is hot at three volts and cold 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.

The custom of dog days

"V" means hiding it in a hot place, which has a warning effect. Geng, heaven is the seventh, and the five elements belong to gold. Gold is afraid of fire, which decreases day by day in a few volts, so the ancients counted it as "volt" on Geng Day. After the flood, the rainstorm is easy to form a flood, which is called "flood". Agricultural proverbs say, "Little summer drowns mice" and "Good rain wets farmers, so don't forget to prevent floods in little summer". Therefore, it is necessary to prevent heatstroke and flood.

Baidu Encyclopedia-Counting Days