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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:59 AM EST 12:30 PM EST 5:00 PM EST
Civil Twilight 7:26 AM EST   5:33 PM EST
Nautical Twilight 6:50 AM EST   6:09 PM EST
Astronomical Twilight 6:16 AM EST   6:43 PM EST
Altitude -0.8° 23.7° -0.8°
Azimuth 121.8° 180.0° 238.2°
Hour Angle of the Sun 67.7° 67.7° -67.7°
Mean Anomaly of the Sun 341.14° 341.32° 341.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.82° -96.61° -96.40°
Sun Declination -23.29° -23.30° -23.30°
Moon 5:15 AM EST   3:45 PM EST
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waning Crescent, 8% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter