How many days is the first summer solstice?

1, summer solstice is three days. The third Geng day of the summer solstice counts people, which means it falls on the third Geng day after the summer solstice. From summer to the future, the first "Gengzi Day" is the sixth day of the fifth lunar month and June 26th of the Gregorian calendar. The second "Geng Day" is May 16th of the lunar calendar and July 6th of the solar calendar. This day is a solar term in summer and the "Geng Xu" day of the main branch. The third "Geng Day" is May 26th of the lunar calendar and July 16 of the solar calendar, which is the "Geng Shen" day of the main branch, and this day really entered the sky.

2. The first half of 2020 is from May 26th to June 5th, that is, from July16th to July 25th in Gregorian calendar. In the early days, it was only 10, and the temperature gradually increased. This is the hottest early days in summer, when the sun shines strongly, the solar radiation heat is the largest, and the water evaporation on the ground and plant leaves gradually increases.