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What is spring equinox and autumn equinox |
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Answer» The vernal equinox, marking the beginning of SPRING in the Northern Hemisphere, occurs about MARCH 21, when the Sun moves north across the celestial equator. The autumnal equinox falls about SEPTEMBER 23, as the Sun CROSSES the celestial equator going south. The autumnal equinox occurs in September each YEAR, and in the northern hemisphere the date marks the end of summer and beginning of autumn. |
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