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Countdown to Autumn Equinox? (2026)

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Table of Contents: Countdown to Autumn Equinox? (2026)

Autumn Equinox in Plain Terms
What Happens During the Autumn Equinox?
The Sun Crosses the Celestial Equator
Autumn Equinox Dates Through 2050
Why the Date Changes
Astronomical Autumn
Meteorological Autumn
Is Day and Night Exactly Equal?
Equinox and Equilux Are Not the Same
Autumn Equinox Compared With Other Seasonal Markers
How the Autumn Equinox Changes the Sky
Why Shadows Become More Noticeable
Autumn Equinox in Nature
Common Names and Meanings
Why It Matters in Calendars
Autumn Equinox Questions
Does the autumn equinox happen at the same time everywhere?
Why is it sometimes on September 22 and sometimes on September 23?
Is the autumn equinox the first day of fall?
Does the equinox affect both hemispheres?
Why is the equinox useful to know?

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