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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:13 AM EST 11:54 AM EST 4:35 PM EST
Civil Twilight 6:42 AM EST   5:05 PM EST
Nautical Twilight 6:08 AM EST   5:39 PM EST
Astronomical Twilight 5:35 AM EST   6:12 PM EST
Altitude -0.8° 26.9° -0.8°
Azimuth 120.2° 180.0° 239.8°
Hour Angle of the Sun 70.2° 70.2° -70.2°
Mean Anomaly of the Sun 341.10° 341.30° 341.49°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.63° -96.42°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:32 AM EST   3:15 PM EST
Length of Visible Light 10h 22m
Length of Day
9h 22m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter