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Astronomy

Sep. 20, 2017 Rise Solar Noon Set
Actual Time 6:49 AM PDT 12:57 PM PDT 7:03 PM PDT
Civil Twilight 6:23 AM PDT   7:30 PM PDT
Nautical Twilight 5:51 AM PDT   8:01 PM PDT
Astronomical Twilight 5:19 AM PDT   8:33 PM PDT
Altitude -0.8° 51.6° -0.8°
Azimuth 88.2° 180.0° 271.6°
Hour Angle of the Sun 91.8° 91.7° -91.6°
Mean Anomaly of the Sun 256.41° 256.66° 256.91°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.97° 178.20° 178.43°
Sun Declination 0.88° 0.78° 0.68°
Moon 7:11 AM PDT   7:41 PM PDT
Length of Visible Light 13h 06m
Length of Day
12h 13m
New Moon, 1% of the Moon is Illuminated
Sep 20
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New