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Astronomy

Sep. 23, 2017 Rise Solar Noon Set
Actual Time 6:40 AM PDT 12:43 PM PDT 6:46 PM PDT
Civil Twilight 6:15 AM PDT   7:11 PM PDT
Nautical Twilight 5:46 AM PDT   7:40 PM PDT
Astronomical Twilight 5:17 AM PDT   8:09 PM PDT
Altitude -0.8° 55.9° -0.8°
Azimuth 89.8° 180.0° 270.0°
Hour Angle of the Sun 90.8° 90.7° -90.7°
Mean Anomaly of the Sun 259.36° 259.61° 259.86°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -179.34° -179.11° -178.89°
Sun Declination -0.29° -0.38° -0.48°
Moon 9:55 AM PDT (9/23)   9:13 PM PDT (9/23)
Length of Visible Light 12h 55m
Length of Day
12h 05m
Waxing Crescent, 15% of the Moon is Illuminated
Sep 23
Waxing Crescent
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New