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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:09 AM PST 11:58 AM PST 4:47 PM PST
Civil Twilight 6:37 AM PST   5:19 PM PST
Nautical Twilight 6:01 AM PST   5:56 PM PST
Astronomical Twilight 5:26 AM PST   6:31 PM PST
Altitude -0.8° 26.2° -0.8°
Azimuth 114.7° 180.0° 245.5°
Hour Angle of the Sun 72.1° 72.2° -72.3°
Mean Anomaly of the Sun 27.33° 27.53° 27.73°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.12° -45.92° -45.71°
Sun Declination -17.35° -17.30° -17.24°
Moon 2:14 PM PST (1/31)   4:36 AM PST (1/31)
Length of Visible Light 10h 42m
Length of Day
9h 37m
Waxing Gibbous, 93% of the Moon is Illuminated
Feb 1
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter