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Spring Equinox 2025 Usa
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Spring Equinox 2025 Usa. What causes the seasons to change? Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.
Updated 1:52 pm pdt, march 19, 2025. When do the four seasons start in 2025—for spring, summer, fall, and winter?