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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 6:27 AM PDT 12:33 PM PDT 6:38 PM PDT
Civil Twilight 6:02 AM PDT   7:03 PM PDT
Nautical Twilight 5:32 AM PDT   7:33 PM PDT
Astronomical Twilight 5:01 AM PDT   8:04 PM PDT
Altitude -0.8° 54.2° -0.8°
Azimuth 88.8° 180.0° 271.0°
Hour Angle of the Sun 91.4° 91.3° -91.3°
Mean Anomaly of the Sun 257.38° 257.63° 257.88°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 178.86° 179.09° 179.31°
Sun Declination 0.50° 0.40° 0.30°
Moon 7:49 AM PDT (9/21)   7:50 PM PDT (9/21)
Length of Visible Light 13h 01m
Length of Day
12h 10m
Waxing Crescent, 4% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New