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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:10 AM EST 12:08 PM EST 5:06 PM EST
Civil Twilight 6:40 AM EST   5:36 PM EST
Nautical Twilight 6:06 AM EST   6:10 PM EST
Astronomical Twilight 5:33 AM EST   6:43 PM EST
Altitude -0.8° 30.0° -0.8°
Azimuth 113.1° 180.0° 247.0°
Hour Angle of the Sun 74.5° 74.5° -74.6°
Mean Anomaly of the Sun 27.21° 27.41° 27.62°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.25° -46.04° -45.83°
Sun Declination -17.39° -17.33° -17.27°
Moon 2:29 PM EST (1/31)   4:30 AM EST (1/31)
Length of Visible Light 10h 56m
Length of Day
9h 56m
Waxing Gibbous, 93% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter