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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:28 AM PDT 1:12 PM PDT 7:56 PM PDT
Civil Twilight 6:00 AM PDT   8:24 PM PDT
Nautical Twilight 5:27 AM PDT   8:57 PM PDT
Astronomical Twilight 4:52 AM PDT   9:32 PM PDT
Altitude -0.8° 63.7° -0.8°
Azimuth 73.6° 180.0° 286.2°
Hour Angle of the Sun 101.0° 101.0° -100.9°
Mean Anomaly of the Sun 225.84° 226.12° 226.39°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.90° 150.16° 150.42°
Sun Declination 12.26° 12.17° 12.08°
Moon 5:12 AM PDT   7:24 PM PDT
Length of Visible Light 14h 23m
Length of Day
13h 27m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter