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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:59 AM EST 12:57 PM EST 5:56 PM EST
Civil Twilight 7:31 AM EST   6:25 PM EST
Nautical Twilight 6:58 AM EST   6:57 PM EST
Astronomical Twilight 6:27 AM EST   7:28 PM EST
Altitude -0.8° 31.7° -0.8°
Azimuth 114.9° 180.0° 245.2°
Hour Angle of the Sun 74.5° 74.6° -74.6°
Mean Anomaly of the Sun 17.86° 18.06° 18.27°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.07° -55.85° -55.64°
Sun Declination -19.78° -19.73° -19.69°
Moon 2:24 AM EST   1:20 PM EST
Length of Visible Light 10h 53m
Length of Day
9h 56m
Last Quarter, 38% of the Moon is Illuminated
Jan 21
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter