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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 6:48 AM PDT 12:54 PM PDT 6:59 PM PDT
Civil Twilight 6:22 AM PDT   7:25 PM PDT
Nautical Twilight 5:51 AM PDT   7:55 PM PDT
Astronomical Twilight 5:20 AM PDT   8:26 PM PDT
Altitude -0.8° 52.6° -0.8°
Azimuth 88.7° 180.0° 271.0°
Hour Angle of the Sun 91.4° 91.4° -91.3°
Mean Anomaly of the Sun 257.39° 257.64° 257.89°
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 8:11 AM PDT (9/21)   8:11 PM PDT (9/21)
Length of Visible Light 13h 03m
Length of Day
12h 10m
Waxing Crescent, 4% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New