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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:44 AM EST 12:44 PM EST 5:43 PM EST
Civil Twilight 7:16 AM EST   6:12 PM EST
Nautical Twilight 6:44 AM EST   6:44 PM EST
Astronomical Twilight 6:13 AM EST   7:15 PM EST
Altitude -0.8° 32.4° -0.8°
Azimuth 114.9° 180.0° 245.2°
Hour Angle of the Sun 74.9° 74.9° -75.0°
Mean Anomaly of the Sun 16.86° 17.07° 17.27°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.14° -56.92° -56.70°
Sun Declination -20.01° -19.96° -19.91°
Moon 1:13 AM EST (1/20)   12:34 PM EST (1/20)
Length of Visible Light 10h 56m
Length of Day
9h 59m
Last Quarter, 39% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter