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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:13 AM EST 11:51 AM EST 4:28 PM EST
Civil Twilight 6:42 AM EST   4:59 PM EST
Nautical Twilight 6:08 AM EST   5:34 PM EST
Astronomical Twilight 5:34 AM EST   6:07 PM EST
Altitude -0.8° 25.6° -0.8°
Azimuth 120.8° 180.0° 239.2°
Hour Angle of the Sun 69.3° 69.3° -69.2°
Mean Anomaly of the Sun 341.11° 341.30° 341.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.64° -96.42°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:31 AM EST   3:09 PM EST
Length of Visible Light 10h 16m
Length of Day
9h 14m
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