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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:17 AM EST 12:36 PM EST 5:55 PM EST
Civil Twilight 6:52 AM EST   6:20 PM EST
Nautical Twilight 6:24 AM EST   6:49 PM EST
Astronomical Twilight 5:55 AM EST   7:17 PM EST
Altitude -0.8° 41.6° -0.8°
Azimuth 112.4° 180.0° 247.7°
Hour Angle of the Sun 79.7° 79.7° -79.7°
Mean Anomaly of the Sun 16.85° 17.06° 17.28°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.16° -56.93° -56.69°
Sun Declination -20.01° -19.96° -19.91°
Moon 12:57 AM EST   12:36 PM EST
Length of Visible Light 11h 28m
Length of Day
10h 37m
Last Quarter, 45% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter