USNO Data for 2017 Solar Eclipse for
Salem Clear Sky Chart

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Solar Eclipse Computer

U.S. Naval Observatory
Astronomical Applications Department

Solar Eclipse of 2017 Aug. 21

Sun in Total Eclipse at this Location


August 21, 2017   Universal Time(UT)Delta T: 69.4s
PhenomenonDayTime(UT)AltitudeAzimuthPosition AngleVertex Angle
Eclipse Begins2116:05:38.127.8101.5283.9328.9
Totality Begins2117:17:43.339.8117.261.3101.2
Maximum Eclipse2117:18:26.139.9117.3
Totality Ends2117:19:11.340.0117.5330.09.8
Eclipse Ends2118:37:53.650.8140.5107.8135.2

Duration2h 32m 15.5s
Duration of Totality1m 28.0s

These times are in Universal Time or GMT. Subtract 7 hours to get local time

These times are accurate only if location of the Salem clear sky chart is accurate. Check the road map.

Forecast History for the Salem clear sky chart for late August

Extracted from the Salem clear sky chart climate/history page.
With the help of sponsors.

Cloud Cover

Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
AugustOccurrence of each Forecastdata points
16th to endDay


Color Meanings:
Too cloudy to forecast Poor Below Average Average Above average Transparent
AugustOccurrence of each Forecastdata points
16th to endDay

DISCLAIMER: This weather data is based from past forecast records, not from sky observations. So it's possible that it is not an accurate indication of weather for the eclipse. If you miss seeing the eclipse because you took a climate/history page for a clear sky chart, or the weather data on this page, too literally, your only recourse is to complain to me in email. Reminder: by using this website you agree to not sue me for any reason.

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Copyright 2017 A. Danko