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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:16 AM EST 12:14 PM EST 5:12 PM EST
Civil Twilight 6:47 AM EST   5:41 PM EST
Nautical Twilight 6:15 AM EST   6:13 PM EST
Astronomical Twilight 5:43 AM EST   6:45 PM EST
Altitude -0.8° 31.7° -0.8°
Azimuth 114.9° 180.0° 245.2°
Hour Angle of the Sun 74.5° 74.6° -74.6°
Mean Anomaly of the Sun 17.83° 18.03° 18.24°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.11° -55.89° -55.67°
Sun Declination -19.79° -19.74° -19.69°
Moon 1:38 AM EST (1/21)   12:35 PM EST (1/21)
Length of Visible Light 10h 53m
Length of Day
9h 56m
Waning Crescent, 29% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter