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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 8:21 AM EST 12:42 PM EST 5:02 PM EST
Civil Twilight 7:46 AM EST   5:37 PM EST
Nautical Twilight 7:09 AM EST   6:14 PM EST
Astronomical Twilight 6:32 AM EST   6:51 PM EST
Altitude -0.8° 20.9° -0.8°
Azimuth 123.5° 180.0° 236.4°
Hour Angle of the Sun 65.1° 65.1° -65.1°
Mean Anomaly of the Sun 341.15° 341.33° 341.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.80° -96.60° -96.40°
Sun Declination -23.29° -23.30° -23.30°
Moon 5:34 AM EST   3:51 PM EST
Length of Visible Light 9h 50m
Length of Day
8h 41m
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