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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:41 AM EST 12:34 PM EST 5:27 PM EST
Civil Twilight 7:13 AM EST   5:55 PM EST
Nautical Twilight 6:41 AM EST   6:27 PM EST
Astronomical Twilight 6:10 AM EST   6:58 PM EST
Altitude -0.8° 31.1° -0.8°
Azimuth 118.4° 180.0° 241.6°
Hour Angle of the Sun 73.2° 73.2° -73.2°
Mean Anomaly of the Sun 341.12° 341.32° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.83° -96.60° -96.38°
Sun Declination -23.29° -23.30° -23.31°
Moon 5:07 AM EST   4:03 PM EST
Length of Visible Light 10h 42m
Length of Day
9h 45m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter