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.