Brandon is the space/physics editor at Live Science. His writing has appeared in The Washington Post, Reader's Digest, CBS.com, the Richard Dawkins Foundation website and other outlets. He holds a bachelor's degree in creative writing from the University of Arizona, with minors in journalism and media arts.
Today is the March equinox, an annual astronomical event that marks the change of seasons across the globe. In the Northern Hemisphere, the March equinox signals the end of winter and the beginning of spring . In the Southern Hemisphere, today marks the end of summer and the beginning of autumn.
Equinox comes from the Latin words meaning"equal night." That's because, on this day and several days before and after, the length of daylight is almost exactly 12 hours in both hemispheres, with slight variations depending on your distance from the equator, according to the National Weather Service.Because Earth orbits the sun at a tilt of about 23.
Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.Because equinoxes are astronomical events, scientists can predict them down to the minute. This year, the precise moment of the March equinox occurs at 11:06 p.m. EDT on March 19, or 0306 GMT on March 20, according to Time and Date. That means most flower children east of the Atlantic Ocean may officially begin their spring revelry on Wednesday.
The next equinox — the September, or autumnal, equinox — occurs on Sept. 22, 2024. That's when the Southern Hemisphere will begin its reign in the sun, as autumn descends in the north.
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