March 20 is a calendar date that falls in early spring in the Northern Hemisphere and early autumn in the Southern Hemisphere. It matters because it is often near or on the vernal equinox (spring equinox) in the north, when day and night are approximately equal length, marking an astronomical turning point in the year.
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March 20 is the 79th day of the year (80th in leap years) in the Gregorian calendar; 286 days remain until the end of the year.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).