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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:49 AM PST 12:19 PM PST 4:49 PM PST
Civil Twilight 7:14 AM PST   5:24 PM PST
Nautical Twilight 6:36 AM PST   6:02 PM PST
Astronomical Twilight 5:59 AM PST   6:39 PM PST
Altitude -0.8° 21.9° -0.8°
Azimuth 119.7° 180.0° 240.4°
Hour Angle of the Sun 67.5° 67.6° -67.6°
Mean Anomaly of the Sun 16.99° 17.17° 17.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.00° -56.81° -56.61°
Sun Declination -19.98° -19.94° -19.90°
Moon 1:08 AM PST (1/20)   11:57 AM PST (1/20)
Length of Visible Light 10h 09m
Length of Day
9h 00m
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