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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:41 AM PST 12:24 PM PST 5:07 PM PST
Civil Twilight 7:09 AM PST   5:39 PM PST
Nautical Twilight 6:34 AM PST   6:14 PM PST
Astronomical Twilight 6:00 AM PST   6:49 PM PST
Altitude -0.8° 26.0° -0.8°
Azimuth 117.5° 180.0° 242.7°
Hour Angle of the Sun 70.7° 70.8° -70.8°
Mean Anomaly of the Sun 16.98° 17.18° 17.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.01° -56.80° -56.59°
Sun Declination -19.98° -19.94° -19.89°
Moon 1:08 AM PST   12:09 PM PST
Length of Visible Light 10h 29m
Length of Day
9h 26m
Last Quarter, 42% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter