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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:25 AM EST 12:39 PM EST 5:52 PM EST
Civil Twilight 6:59 AM EST   6:18 PM EST
Nautical Twilight 6:30 AM EST   6:47 PM EST
Astronomical Twilight 6:01 AM EST   7:16 PM EST
Altitude -0.8° 38.7° -0.8°
Azimuth 113.1° 180.0° 247.1°
Hour Angle of the Sun 78.3° 78.3° -78.3°
Mean Anomaly of the Sun 16.85° 17.07° 17.28°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.15° -56.92° -56.69°
Sun Declination -20.01° -19.96° -19.91°
Moon 1:02 AM EST   12:36 PM EST
Length of Visible Light 11h 18m
Length of Day
10h 26m
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