Autumn Equinox 2024 Australia Map. Check autumnal equinox date and time in 2025. The sun crosses over the equator again in late march, and days and nights are again the same length.

Autumn equinox 2024 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator,. The sun crosses over the equator again in late march, and days and nights are again the same length.