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Autumn Equinox 2026
Equal day and night mark autumn's arrival
September 22, 2026
Countdown to Event
The autumn equinox marks the astronomical beginning of fall in the Northern Hemisphere. Day and night are approximately equal in length.
How Many Days Until Fall Equinox?
Days Until
150
days until Fall Equinox
Weeks Until
21w 3d
weeks until Fall Equinox
Hours Until
3,588
hours until Fall Equinox
Falls On
Tuesday
Fall Equinox 2026
Event Progress
Upcoming
150days until start
Start Date
Sep 22
Duration
1 days