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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 8:03 AM EST 12:58 PM EST 5:53 PM EST
Civil Twilight 7:34 AM EST   6:22 PM EST
Nautical Twilight 7:01 AM EST   6:55 PM EST
Astronomical Twilight 6:29 AM EST   7:27 PM EST
Altitude -0.8° 30.5° -0.8°
Azimuth 115.6° 180.0° 244.5°
Hour Angle of the Sun 73.7° 73.7° -73.8°
Mean Anomaly of the Sun 16.88° 17.08° 17.28°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.13° -56.91° -56.69°
Sun Declination -20.00° -19.96° -19.91°
Moon 1:31 AM EST   12:46 PM EST
Length of Visible Light 10h 48m
Length of Day
9h 50m
Last Quarter, 42% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter