The summer solstice is the summer solstice solar term with the longest day and the shortest night in the northern hemisphere. Its date in the Gregorian calendar will only change on June 20th, June 2nd1and June 22nd, with the most frequent year being June 2nd1,followed by June 22nd and the least year being June 20th.

20 16 to June 2, 2047, June 20, 2048 and June 22, 20 15.