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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 6:51 AM PST 11:59 AM PST 5:07 PM PST
Civil Twilight 6:24 AM PST   5:34 PM PST
Nautical Twilight 5:54 AM PST   6:05 PM PST
Astronomical Twilight 5:24 AM PST   6:34 PM PST
Altitude -0.8° 36.3° -0.8°
Azimuth 113.7° 180.0° 246.5°
Hour Angle of the Sun 77.0° 77.1° -77.1°
Mean Anomaly of the Sun 16.95° 17.16° 17.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.05° -56.82° -56.59°
Sun Declination -19.99° -19.94° -19.89°
Moon 12:30 AM PST (1/20)   11:57 AM PST (1/20)
Length of Visible Light 11h 10m
Length of Day
10h 16m
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