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Astronomy

Sep. 20, 2017 Rise Solar Noon Set
Actual Time 6:36 AM PDT 12:45 PM PDT 6:53 PM PDT
Civil Twilight 6:05 AM PDT   7:24 PM PDT
Nautical Twilight 5:27 AM PDT   8:01 PM PDT
Astronomical Twilight 4:49 AM PDT   8:40 PM PDT
Altitude -0.8° 42.1° -0.8°
Azimuth 87.7° 180.0° 272.0°
Hour Angle of the Sun 92.3° 92.1° -92.0°
Mean Anomaly of the Sun 256.40° 256.65° 256.90°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.97° 178.20° 178.42°
Sun Declination 0.88° 0.78° 0.68°
Moon 6:57 AM PDT   7:29 PM PDT
Length of Visible Light 13h 19m
Length of Day
12h 17m
New Moon, 0% of the Moon is Illuminated
Sep 20
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New