Astronomy Countdowns
Countdowns to eclipses, solstices, equinoxes, and other astronomy events.
36
days
Summer Solstice
88
days
Total Solar Eclipse
88
days
Total Solar Eclipse 2026
129
days
Fall Equinox Autumn Equinox
169
days
Daylight Saving Time Fall Back
219
days
Winter Solstice
229
days
Artemis III Moon Landing
280
days
Total Lunar Eclipse
302
days
Daylight Saving Time Spring Forward
308
days
Spring Equinox
346
days
Supermoon
401
days
Summer Solstice
443
days
Total Solar Eclipse
494
days
Fall Equinox Autumn Equinox
540
days
Daylight Saving Time Fall Back
584
days
Winter Solstice
666
days
Daylight Saving Time Spring Forward
674
days
Spring Equinox
767
days
Summer Solstice
860
days
Fall Equinox Autumn Equinox
904
days
Daylight Saving Time Fall Back
950
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.