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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:40 AM EST 12:47 PM EST 5:55 PM EST
Civil Twilight 7:13 AM EST   6:22 PM EST
Nautical Twilight 6:42 AM EST   6:53 PM EST
Astronomical Twilight 6:12 AM EST   7:22 PM EST
Altitude -0.8° 36.1° -0.8°
Azimuth 113.8° 180.0° 246.4°
Hour Angle of the Sun 76.9° 76.9° -77.0°
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° -56.92° -56.69°
Sun Declination -20.01° -19.96° -19.91°
Moon 1:14 AM EST   12:42 PM EST
Length of Visible Light 11h 09m
Length of Day
10h 15m
Last Quarter, 44% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter