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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:15 AM EST 11:54 AM EST 4:33 PM EST
Civil Twilight 6:44 AM EST   5:03 PM EST
Nautical Twilight 6:09 AM EST   5:38 PM EST
Astronomical Twilight 5:36 AM EST   6:11 PM EST
Altitude -0.8° 26.1° -0.8°
Azimuth 120.3° 180.0° 239.6°
Hour Angle of the Sun 69.7° 69.7° -69.7°
Mean Anomaly of the Sun 337.16° 337.35° 337.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.26° -101.05° -100.84°
Sun Declination -23.03° -23.05° -23.06°
Moon 12:36 AM EST   1:12 PM EST
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waning Crescent, 33% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter