Astronomy Countdowns
Countdowns to eclipses, solstices, equinoxes, and other astronomy events.
19
days
Summer Solstice
71
days
Total Solar Eclipse
71
days
Total Solar Eclipse 2026
112
days
Fall Equinox Autumn Equinox
152
days
Daylight Saving Time Fall Back
202
days
Winter Solstice
212
days
Artemis III Moon Landing
263
days
Total Lunar Eclipse
285
days
Daylight Saving Time Spring Forward
291
days
Spring Equinox
329
days
Supermoon
384
days
Summer Solstice
426
days
Total Solar Eclipse
477
days
Fall Equinox Autumn Equinox
523
days
Daylight Saving Time Fall Back
567
days
Winter Solstice
649
days
Daylight Saving Time Spring Forward
657
days
Spring Equinox
750
days
Summer Solstice
843
days
Fall Equinox Autumn Equinox
887
days
Daylight Saving Time Fall Back
933
days
Winter Solstice
Frequently Asked Questions
What astronomy events can I track?
Track solar eclipses, lunar eclipses, solstices, equinoxes, and supermoons with Outside.
Do astronomy event dates update?
Yes. We update dates when official schedules are published.
Can I add astronomy countdown widgets to my iPhone?
Yes. Add Outside widgets to your Home Screen or Lock Screen to track upcoming astronomy events.