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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 6:33 AM PDT 12:40 PM PDT 6:46 PM PDT
Civil Twilight 6:02 AM PDT   7:17 PM PDT
Nautical Twilight 5:26 AM PDT   7:53 PM PDT
Astronomical Twilight 4:48 AM PDT   8:31 PM PDT
Altitude -0.8° 42.7° -0.8°
Azimuth 88.3° 180.0° 271.4°
Hour Angle of the Sun 91.8° 91.7° -91.6°
Mean Anomaly of the Sun 257.38° 257.64° 257.89°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 178.86° 179.09° 179.32°
Sun Declination 0.49° 0.39° 0.30°
Moon 8:00 AM PDT   7:51 PM PDT
Length of Visible Light 13h 14m
Length of Day
12h 13m
New Moon, 1% of the Moon is Illuminated
Sep 21
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New