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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 6:46 AM EST 12:14 PM EST 5:43 PM EST
Civil Twilight 6:22 AM EST   6:07 PM EST
Nautical Twilight 5:54 AM EST   6:34 PM EST
Astronomical Twilight 5:27 AM EST   7:01 PM EST
Altitude -0.8° 47.0° -0.8°
Azimuth 114.5° 180.0° 245.5°
Hour Angle of the Sun 82.1° 82.1° -82.1°
Mean Anomaly of the Sun 341.09° 341.31° 341.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.87° -96.62° -96.37°
Sun Declination -23.28° -23.30° -23.31°
Moon 4:27 AM EST   4:06 PM EST
Length of Visible Light 11h 45m
Length of Day
10h 57m
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