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Astronomy

Sep. 21, 2017 Rise Solar Noon Set
Actual Time 6:55 AM PDT 1:01 PM PDT 7:06 PM PDT
Civil Twilight 6:29 AM PDT   7:31 PM PDT
Nautical Twilight 5:59 AM PDT   8:02 PM PDT
Astronomical Twilight 5:28 AM PDT   8:32 PM PDT
Altitude -0.8° 53.4° -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 257.40° 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 8:18 AM PDT   8:18 PM PDT
Length of Visible Light 13h 02m
Length of Day
12h 10m
New Moon, 1% of the Moon is Illuminated
Sep 21
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New