Summer will officially arrive in the Northern Hemisphere on Thursday (June 20) at 4:51 p.m. EDT (2051 GMT) -- the June Solstice. Here's what you need to know.
Summer will officially arrive in the Northern Hemisphere on Thursday (June 20) at 4:51 p.m. EDT (2051 GMT) -- the June Solstice. Here's what you need to know.