In the dog days, it falls separately, in the middle and at the end, and the specific distribution time is as follows:

Initial appearance: July 2020 16 in Gregorian calendar (May 26th in lunar calendar)-July 25th, 2020 (fifth day in June in lunar calendar), *** 10 day.

Zhongfu: July 26th, Gregorian calendar (6th day of June)-August14th, 2020 (25th day of June), ***20 days.

Last day: August 2020 15 in Gregorian calendar (June 26th in lunar calendar)-August 24th, 2020 (sixth day in July in lunar calendar), *** 10 day.

The time of lodging is not fixed every year, and the length of lodging is also different, so it is necessary to look up the almanac to calculate. Simply, we can use the formula of "Summer Solstice Three Geng" to indicate the date of lodging, that is, from the third Geng day after the summer solstice, the initial lodging is 10 day, the middle lodging is 10 day or 20 days, and the final lodging is/.

In ancient China, the "trunk-branch calendar method" was popular, and 60 groups of different names matched by 10 heavenly stems and 12 earthly branches were used to record dates and recycle them.