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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:42 AM EST 12:23 PM EST 5:03 PM EST
Civil Twilight 7:12 AM EST   5:34 PM EST
Nautical Twilight 6:38 AM EST   6:08 PM EST
Astronomical Twilight 6:05 AM EST   6:41 PM EST
Altitude -0.8° 26.7° -0.8°
Azimuth 120.2° 180.0° 239.7°
Hour Angle of the Sun 70.1° 70.1° -70.1°
Mean Anomaly of the Sun 341.12° 341.32° 341.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.83° -96.61° -96.40°
Sun Declination -23.29° -23.30° -23.30°
Moon 5:03 AM EST   3:44 PM EST
Length of Visible Light 10h 22m
Length of Day
9h 21m
Waning Crescent, 6% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter