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September Equinox 2027

التاريخ والوقت

الخميس، 23 سبتمبر 2027

UTC

نظرة عامة

Sun crosses the celestial equator heading south — autumn begins in the Northern Hemisphere.

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An equinox occurs when the Sun crosses the celestial equator (0° declination), giving roughly equal day and night globally. The March equinox marks spring in the Northern Hemisphere; the September equinox marks autumn. Equinox dates are ideal for calibrating solar declination and understanding Earth's axial tilt.

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مصدر البيانات

محسوبة من JPL DE440 وتقويم IMO.

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