Total Solar Eclipse · August 21T18:26:40Z, 2017

Total Solar Eclipse

On August 21, 2017, sweeps across United States — offering up to 2m 40s of totality.

Total
Eclipse Type
100%
Max Obscuration
2m 40s
Max Duration
1
Totality Countries
Where to watch

Visibility Map

The path of totality crosses United States. Over 36 countries see a partial eclipse. Click anywhere on the map to see how the eclipse appears from that location.

Path of Totality
Width~115 km
Max duration2m 40s
Speed~2,900 km/h
CountriesUS
Eclipse Details
Saros series145
Magnitude1.0306
Gamma0.4367
Greatest pt.37°N, -88°
Normal sky before eclipse
Sky during total solar eclipse
During eclipse
Normal sky
What you'll experience

Sky Simulation

Drag the slider to compare the sky before and during totality. At peak, stars appear at midday and the horizon glows in all directions.

≈ Dusk
Sky darkness
−4°C
Temp. drop
2,900 km/h
Moon speed
🌑 Simulated at totality peak
By location

Countries

Maximum obscuration by country. Select a supported country for city-level detail.

CountryTypeMax Obscuration
United StatesUSTOTAL
100.0%
CanadaCA87%
87.5%
BahamasBS83%
83.1%
Antigua & BarbudaAG79%
78.8%
US Virgin IslandsVI79%
78.5%
Turks & CaicosTC78%
78.3%
Puerto RicoPR77%
77.1%
GuadeloupeGP76%
76.5%
Dominican Rep.DO74%
74.1%
DominicaDM72%
72.4%
What's next

Upcoming Eclipses

Future solar eclipses worldwide — click any to explore path, cities, and sky simulation.