June solstice
The June solstice is the solstice on the Earth that occurs each year falling on 20–22 June according to the Gregorian calendar. In the Northern Hemisphere, the June solstice is the summer solstice (the day with the longest period of daylight), whilst in the Southern Hemisphere it is the winter solstice (the day with the shortest period of daylight). It is also known as the northern solstice. Solar year. The June solstice solar year is the solar year based on the June solstice. It is thus the length of time between adjacent June solstices.