Solar Eclipse Computer

U.S. Naval Observatory
Astronomical Applications Department

Solar Eclipse of 2017 Aug. 21

Sun in Partial Eclipse at this Location

Eagle, Idaho (Longitude W 116° 21' 0", Latitude N 43° 41' 24.0", Height 0m)

August 21, 2017   Universal Time (UT1)Delta T: 69.4s
PhenomenonDayTime (UT1)Sun's Altitude (°)Sun's Azimuth (°)Position Angle (°)Vertex Angle (°)
Eclipse Begins2116:10:29.533.6107.0286.7331.7
Maximum Eclipse2117:27:02.046.0125.4
Eclipse Ends2118:49:48.755.7153.9107.7126.7


Duration2h 39m 19.2s
Magnitude0.995
Obscuration99.7%

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