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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 7:03 AM PDT 1:09 PM PDT 7:15 PM PDT
Civil Twilight 6:34 AM PDT   7:43 PM PDT
Nautical Twilight 6:00 AM PDT   8:17 PM PDT
Astronomical Twilight 5:26 AM PDT   8:51 PM PDT
Altitude -0.8° 46.8° -0.8°
Azimuth 88.5° 180.0° 271.2°
Hour Angle of the Sun 91.6° 91.5° -91.4°
Mean Anomaly of the Sun 257.40° 257.65° 257.91°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 178.88° 179.11° 179.34°
Sun Declination 0.49° 0.39° 0.29°
Moon 8:29 AM PDT   8:23 PM PDT
Length of Visible Light 13h 09m
Length of Day
12h 11m
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