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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:17 AM EST 12:31 PM EST 5:46 PM EST
Civil Twilight 6:50 AM EST   6:13 PM EST
Nautical Twilight 6:20 AM EST   6:43 PM EST
Astronomical Twilight 5:50 AM EST   7:12 PM EST
Altitude -0.8° 38.1° -0.8°
Azimuth 110.7° 180.0° 249.5°
Hour Angle of the Sun 78.6° 78.7° -78.7°
Mean Anomaly of the Sun 27.21° 27.43° 27.64°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.25° -46.02° -45.80°
Sun Declination -17.39° -17.32° -17.26°
Moon 3:11 PM EST (1/31)   4:35 AM EST (1/31)
Length of Visible Light 11h 22m
Length of Day
10h 29m
Waxing Gibbous, 92% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter