Autumnal Equinox 2027
336 days, 9 hours until Autumnal Equinox 2027 on 23 September 2027
Sep 23, 2027
Autumnal Equinox 2027
First Day of Autumn (Northern Hemisphere)
September 23, 2027 at 06:02 (Etc/UTC)
The Autumnal Equinox 2026 in the Northern Hemisphere occurs on Wednesday, September 23, at 00:05 UTC. This astronomical event marks the official start of autumn, when the Sun crosses the celestial equator, leading to roughly equal day and night across the globe.
Details
- Hemisphere
- Northern Hemisphere