When:
June 20, 2017 all-day
2017-06-20T00:00:00-06:00
2017-06-21T00:00:00-06:00
Where:
http://www.almanac.com/content/first-day-summer-summer-solstice
In the Northern Hemisphere summer begins today with the summer solstice, at 6:34 PM, EDT. Note that in the Southern Hemisphere today is the beginning of winter. Anywhere between the equator and the Arctic Circle, the sun rises and sets farthest north on the horizon for the year and length of daylight is maximum (12 hours, 8 minutes at equator, increasing to 24 hours at the Arctic Circle).