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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 6:36 AM PDT 12:41 PM PDT 6:46 PM PDT
Civil Twilight 6:11 AM PDT   7:11 PM PDT
Nautical Twilight 5:42 AM PDT   7:40 PM PDT
Astronomical Twilight 5:12 AM PDT   8:10 PM PDT
Altitude -0.8° 56.3° -0.8°
Azimuth 88.8° 180.0° 270.9°
Hour Angle of the Sun 91.3° 91.3° -91.2°
Mean Anomaly of the Sun 257.39° 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 7:57 AM PDT   8:00 PM PDT
Length of Visible Light 13h 00m
Length of Day
12h 10m
Waxing Crescent, 3% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New