Facts from https://www.vox.com/science-and-health/2017/6/19/15832952/summer-solstice-2017 Did you ever wonder what day was the longest day of the year? 1) Why do we have a summer solstice, anyway? The summer solstice occurs when the sun is directly overhead the Tropic of Cancer, or 23.5° north latitude. Earth orbits around the sun on a tilted axis. So between March …