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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:18 AM EST 12:11 PM EST 5:04 PM EST
Civil Twilight 6:48 AM EST   5:34 PM EST
Nautical Twilight 6:15 AM EST   6:07 PM EST
Astronomical Twilight 5:43 AM EST   6:40 PM EST
Altitude -0.8° 29.6° -0.8°
Azimuth 115.7° 180.0° 244.4°
Hour Angle of the Sun 73.2° 73.3° -73.3°
Mean Anomaly of the Sun 17.83° 18.03° 18.23°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.10° -55.89° -55.67°
Sun Declination -19.79° -19.74° -19.70°
Moon 1:39 AM EST   12:29 PM EST
Length of Visible Light 10h 45m
Length of Day
9h 46m
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