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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:14 AM PDT 1:14 PM PDT 8:13 PM PDT
Civil Twilight 5:42 AM PDT   8:45 PM PDT
Nautical Twilight 5:02 AM PDT   9:24 PM PDT
Astronomical Twilight 4:19 AM PDT   10:07 PM PDT
Altitude -0.8° 57.7° -0.8°
Azimuth 70.0° 180.0° 289.7°
Hour Angle of the Sun 105.1° 105.0° -104.9°
Mean Anomaly of the Sun 222.87° 223.16° 223.45°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.11° 147.38° 147.65°
Sun Declination 13.25° 13.15° 13.06°
Moon 1:47 AM PDT   5:06 PM PDT
Length of Visible Light 15h 03m
Length of Day
13h 59m
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