The vernal equinox occurs today at 12:15 Eastern Daylight Time. That's when the earth reaches the spot in its revolution around the sun where the planet's tilt causes the direct line of the sun to cross the equator from the Southern Hemisphere to the Northern Hemisphere. So we have reached the point where the Northern Hemisphere will have days longer than nights. But the important part is that today is when winter ends and spring begins! The equinox involves science, space, weather, history, folklore, and fun. Read about all these things as they pertain to the equinox at Vox.
(Image credit: Flickr user Ruslan)
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