Event Brief
Mar 20, 2026 at 11:01 PM ET
Spring Equinox Is Here, Marking the Official End of Winter
By The BriefBrief
The vernal equinox signals the start of spring in the Northern Hemisphere, occurring on March 20.
WHO: National Oceanic and Atmospheric Administration
WHAT: The arrival of the vernal equinox
WHEN: Mar 20, 2026 at 7:02 PM ET
WHERE: USA
WHY: To mark the astronomical start of spring and the end of winter.
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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