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Science ❯ Astronomy ❯ Celestial Events
Autumn Equinox Spring Equinox Autumnal Equinox September Equinox Vernal Equinox Fall Equinox Hemispherical Changes Sun Position Day and Night Equality Seasonal Changes Day-Night Equality Winter Equinox Solar Alignment March Equinox
Despite the name, day and night are only nearly equal today because of how we measure sunlight and atmospheric refraction, with true equality arriving a few days later in many places.
