astronomy countdown
Fall Equinox 2026
Count down to the first day of Fall 2026!
Live countdown
Days · Hours · Minutes · Seconds
Fall Equinox 2026 is on .
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Weeks remaining
Includes partial weeks.
Weekends remaining
Counts upcoming Saturdays.
About Fall Equinox 2026
- The September equinox marks the Sun crossing Earth’s equatorial plane southward.
- It marks astronomical autumn in the Northern Hemisphere.
- The exact equinox occurs at one instant worldwide.
Frequently asked questions
When is Fall Equinox 2026?
Fall Equinox 2026 is on Wednesday, September 23, 2026.
How long is left until Fall Equinox 2026?
The live countdown above continuously updates the days, hours, minutes, and seconds remaining until Fall Equinox 2026.
Can I add Fall Equinox 2026 to my calendar?
Yes. Use the Add to calendar button to download a standard calendar file for this event.