When Is The First Day Of Spring 2025 Usa Time Zone. Spring the exact moment of the summer solstice in 2025 is 20 june, at 21:42:02. The first day of spring (march equinox or vernal equinox) is when the sun shines directly on the.
In the northern hemisphere, the astronomical start of spring, also known as the spring equinox, will occur on thursday, march 20, at 5:01 am edt in 2025. On the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator,.
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