When Is First Day Of Spring 2027 Usa. Spring 2027 starts on saturday, march 20th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of the earth's axis. The first day of spring occurs on the spring equinox, which marks the astronomical beginning of spring.
The march or vernal equinox is when the sun crosses the celestial equator, moving from south to north. Need to know the exact date of of the first day of spring this year?
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