GoKawiilForget the cold, dark days of winter. In just over a week, the summer solstice will be here, with the longest day of the year heralding the official start of summer in the Northern Hemisphere. The exact moment of the solstice arrives at 1:24 a.m. PT (4:24 a.m. ET) on Sunday, June 21, in the US, marking the point when the Northern Hemisphere is tilted most directly toward the sun.
From extra-long daylight hours to the science behind the season, here are a few fascinating facts about the solstice.
What is the summer solstice?
As the Farmer's Almanac explains, the solstice occurs "when Earth arrives at the point in its orbit where the North Pole is at its maximum tilt" toward the sun, or about 23.5 degrees; this translates to "the longest day and shortest night" of the year. (By "longest day," we mean the longest period of sunlight hours.) The Farmer's Almanac explains further that "on the day of the June solstice, the Northern Hemisphere receives sunlight at the most direct angle of the year."
The solstice isn't always on the same date. In 2027, it'll be on June 21 again, but in 2028 and 2029, it'll be on June 20.
The June solstice means something different to people living in the Southern Hemisphere, where it's the shortest day of the year and marks the beginning of winter.
How much sun will you see?
The amount of sun you'll get depends on where you live.
You can figure it out for your city by going to TimeAndDate.com, typing in the name of your city under World Clock, and clicking on Sun & Moon. From there, click on Sunrise & Sunset, then scroll down for the table that shows the number of hours of daylight per day. To see the number of hours of daylight you'll receive on the solstice, be sure to select June for the month, then scroll down to the correct day.
The further north you are, the more sun you'll get: Minneapolis, you get 15 hours, 36 minutes of sun. Seattle, you land a whopping 15 hours, 59 minutes. Boston, 15 hours, 17 minutes. San Francisco, 14 hours, 46 minutes. Los Angeles, 14 hours, 25 minutes. Dallas, you get 14 hours, 18 minutes. Miami, 13 hours 44 minutes. Atlanta, 14 hours 23 minutes. Phoenix, 14 hours 22 minutes.
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