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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:45 AM EST 12:51 PM EST 5:58 PM EST
Civil Twilight 7:18 AM EST   6:25 PM EST
Nautical Twilight 6:47 AM EST   6:56 PM EST
Astronomical Twilight 6:17 AM EST   7:26 PM EST
Altitude -0.8° 35.6° -0.8°
Azimuth 113.9° 180.0° 246.2°
Hour Angle of the Sun 76.7° 76.7° -76.7°
Mean Anomaly of the Sun 16.86° 17.07° 17.28°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.14° -56.91° -56.69°
Sun Declination -20.01° -19.96° -19.91°
Moon 1:18 AM EST   12:45 PM EST
Length of Visible Light 11h 07m
Length of Day
10h 13m
Last Quarter, 41% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter