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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:31 AM PDT 1:51 PM PDT 9:09 PM PDT
Civil Twilight 5:52 AM PDT   9:48 PM PDT
Nautical Twilight 5:02 AM PDT   10:38 PM PDT
Astronomical Twilight 3:59 AM PDT   11:39 PM PDT
Altitude -0.8° 49.9° -0.8°
Azimuth 66.3° 180.0° 293.4°
Hour Angle of the Sun 109.9° 109.7° -109.6°
Mean Anomaly of the Sun 222.89° 223.19° 223.49°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.12° 147.41° 147.69°
Sun Declination 13.24° 13.14° 13.04°
Moon 1:57 AM PDT   6:14 PM PDT
Length of Visible Light 15h 55m
Length of Day
14h 37m
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