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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:16 AM PST 12:03 PM PST 4:51 PM PST
Civil Twilight 6:44 AM PST   5:23 PM PST
Nautical Twilight 6:07 AM PST   6:00 PM PST
Astronomical Twilight 5:31 AM PST   6:36 PM PST
Altitude -0.8° 25.6° -0.8°
Azimuth 115.0° 180.0° 245.2°
Hour Angle of the Sun 71.7° 71.8° -71.9°
Mean Anomaly of the Sun 27.34° 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° -17.29° -17.24°
Moon 2:18 PM PST (1/31)   4:44 AM PST (1/31)
Length of Visible Light 10h 39m
Length of Day
9h 34m
Waxing Gibbous, 94% of the Moon is Illuminated
Feb 1
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter