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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:26 AM EST 12:12 PM EST 4:58 PM EST
Civil Twilight 6:55 AM EST   5:29 PM EST
Nautical Twilight 6:20 AM EST   6:04 PM EST
Astronomical Twilight 5:46 AM EST   6:38 PM EST
Altitude -0.8° 26.9° -0.8°
Azimuth 116.9° 180.0° 243.3°
Hour Angle of the Sun 71.4° 71.5° -71.5°
Mean Anomaly of the Sun 17.84° 18.03° 18.23°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.10° -55.89° -55.68°
Sun Declination -19.79° -19.74° -19.70°
Moon 1:44 AM EST   12:25 PM EST
Length of Visible Light 10h 34m
Length of Day
9h 32m
Last Quarter, 38% of the Moon is Illuminated
Jan 21
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter