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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 6:55 AM PDT 1:02 PM PDT 7:08 PM PDT
Civil Twilight 6:24 AM PDT   7:39 PM PDT
Nautical Twilight 5:48 AM PDT   8:15 PM PDT
Astronomical Twilight 5:10 AM PDT   8:52 PM PDT
Altitude -0.8° 42.8° -0.8°
Azimuth 88.4° 180.0° 271.3°
Hour Angle of the Sun 91.8° 91.7° -91.6°
Mean Anomaly of the Sun 257.40° 257.65° 257.90°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 178.87° 179.10° 179.33°
Sun Declination 0.49° 0.39° 0.29°
Moon 8:23 AM PDT   8:13 PM PDT
Length of Visible Light 13h 14m
Length of Day
12h 13m
New Moon, 2% of the Moon is Illuminated
Sep 21
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New