Countdown collection
Sky & seasons countdowns.
Meteor showers, eclipses and seasonal milestones.
Reviewed countdowns
Dates in this collection.
14 reviewed countdowns. 11 upcoming; 3 with a start date/time already reached.
Upcoming start dates.
11 on this page; 11 across the collection.
Upcoming starts are ordered nearest first.
Annual meteor shower
Geminids meteor shower
43days to go
December 14, 2026Date may change
Seasonal milestone
December solstice
50days to go
December 21, 2026 at 8:50 PMUTC
One-off sky event
2027 annular solar eclipse
97days to go
February 6, 2027
Lunar eclipse
February 2027 penumbral lunar eclipse
111days to goUsing UTC until your timezone is detected.
February 20, 2027
Seasonal milestone
March equinox
139days to go
March 20, 2027 at 8:25 PMUTC
Seasonal milestone
June solstice
232days to go
June 21, 2027 at 2:11 PMUTC
Lunar eclipse
July 2027 penumbral lunar eclipse
259days to goUsing UTC until your timezone is detected.
July 18, 2027
One-off sky event
2027 total solar eclipse
274days to go
August 2, 2027
Annual meteor shower
Perseids meteor shower
285days to go
August 13, 2027Date may change
Lunar eclipse
August 2027 penumbral lunar eclipse
289days to goUsing UTC until your timezone is detected.
August 17, 2027
Lunar eclipse
January 2028 partial lunar eclipse
437days to goUsing UTC until your timezone is detected.
January 12, 2028
Start dates already reached.
3 on this page; 3 across the collection.
These starts are ordered newest first. A passed start date/time doesn’t tell us when an event ends.
Need the full directory?
Browse the wider planning view when you need more source-linked records than the reviewed collection includes.