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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:43 AM PST 12:18 PM PST 4:53 PM PST
Civil Twilight 7:10 AM PST   5:27 PM PST
Nautical Twilight 6:33 AM PST   6:04 PM PST
Astronomical Twilight 5:56 AM PST   6:40 PM PST
Altitude -0.8° 23.3° -0.8°
Azimuth 118.9° 180.0° 241.2°
Hour Angle of the Sun 68.7° 68.7° -68.8°
Mean Anomaly of the Sun 16.99° 17.17° 17.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.01° -56.81° -56.61°
Sun Declination -19.98° -19.94° -19.89°
Moon 1:05 AM PST (1/20)   11:59 AM PST (1/20)
Length of Visible Light 10h 16m
Length of Day
9h 09m
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