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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 5:38 AM WEST 1:33 PM WEST 9:25 PM WEST
Civil Twilight 4:42 AM WEST   10:21 PM WEST
Nautical Twilight 3:13 AM WEST   11:47 PM WEST
Astronomical Twilight Sun does not set   Sun does not set
Altitude -0.8° 41.2° -0.8°
Azimuth 58.6° 180.0° 300.9°
Hour Angle of the Sun 118.7° 118.4° -118.2°
Mean Anomaly of the Sun 222.52° 222.85° 223.17°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 146.78° 147.08° 147.39°
Sun Declination 13.36° 13.25° 13.15°
Moon 12:32 AM WEST   6:28 PM WEST
Length of Visible Light 17h 38m
Length of Day
15h 47m
Waning Crescent, 21% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter