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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:42 AM PST 12:21 PM PST 5:01 PM PST
Civil Twilight 7:10 AM PST   5:33 PM PST
Nautical Twilight 6:34 AM PST   6:10 PM PST
Astronomical Twilight 5:58 AM PST   6:45 PM PST
Altitude -0.8° 24.7° -0.8°
Azimuth 118.1° 180.0° 242.0°
Hour Angle of the Sun 69.7° 69.8° -69.8°
Mean Anomaly of the Sun 16.99° 17.18° 17.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.01° -56.80° -56.60°
Sun Declination -19.98° -19.94° -19.89°
Moon 1:06 AM PST (1/20)   12:04 PM PST (1/20)
Length of Visible Light 10h 23m
Length of Day
9h 18m
Last Quarter, 38% of the Moon is Illuminated
Jan 21
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter