Solar Eclipse Computer

U.S. Naval Observatory
Astronomical Applications Department

Solar Eclipse of 2017 Aug. 21

Sun in Partial Eclipse at this Location

Meridian, Idaho (Longitude W 116° 23' 24.0", Latitude N 43° 36' 36.0", 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 Begins2116:10:23.533.6106.9286.8331.9
Maximum Eclipse2117:26:56.646.0125.3
Eclipse Ends2118:49:45.355.8153.8107.5126.7


Duration2h 39m 21.8s
Magnitude0.993
Obscuration99.5%

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