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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:57 AM PST 12:23 PM PST 4:50 PM PST
Civil Twilight 7:21 AM PST   5:25 PM PST
Nautical Twilight 6:42 AM PST   6:05 PM PST
Astronomical Twilight 6:04 AM PST   6:42 PM PST
Altitude -0.8° 20.8° -0.8°
Azimuth 120.5° 180.0° 239.7°
Hour Angle of the Sun 66.5° 66.6° -66.6°
Mean Anomaly of the Sun 17.00° 17.18° 17.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.00° -56.80° -56.61°
Sun Declination -19.98° -19.94° -19.90°
Moon 1:14 AM PST (1/20)   11:59 AM PST (1/20)
Length of Visible Light 10h 03m
Length of Day
8h 52m
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