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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:59 AM EST 12:57 PM EST 5:56 PM EST
Civil Twilight 7:29 AM EST   6:26 PM EST
Nautical Twilight 6:55 AM EST   7:00 PM EST
Astronomical Twilight 6:22 AM EST   7:33 PM EST
Altitude -0.8° 30.3° -0.8°
Azimuth 113.0° 180.0° 247.2°
Hour Angle of the Sun 74.7° 74.7° -74.8°
Mean Anomaly of the Sun 27.24° 27.45° 27.65°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.22° -46.01° -45.79°
Sun Declination -17.38° -17.32° -17.26°
Moon 3:20 PM EST (1/31)   5:20 AM EST (1/31)
Length of Visible Light 10h 57m
Length of Day
9h 57m
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