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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 8:00 AM EST 12:35 PM EST 5:09 PM EST
Civil Twilight 7:29 AM EST   5:41 PM EST
Nautical Twilight 6:54 AM EST   6:16 PM EST
Astronomical Twilight 6:20 AM EST   6:50 PM EST
Altitude -0.8° 24.8° -0.8°
Azimuth 121.2° 180.0° 238.8°
Hour Angle of the Sun 68.6° 68.6° -68.6°
Mean Anomaly of the Sun 341.14° 341.33° 341.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.81° -96.60° -96.39°
Sun Declination -23.29° -23.30° -23.30°
Moon 5:19 AM EST   3:53 PM EST
Length of Visible Light 10h 12m
Length of Day
9h 08m
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