Autumnal equinox
Autumnal equinox or variations, may refer to:
- September equinox, the autumnal equinox in the northern hemisphere
- March equinox, the autumnal equinox in the southern hemisphere
Other uses
- Autumnal Equinox Day (Japanese: 秋分の日, Shūbun no Hi), a public holiday in September in Japan
- Autumn Equinox: Amethyst Deceivers, a 1998 record by Coil