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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:05 AM EST 12:16 PM EST 5:26 PM EST
Civil Twilight 6:39 AM EST   5:52 PM EST
Nautical Twilight 6:10 AM EST   6:22 PM EST
Astronomical Twilight 5:41 AM EST   6:51 PM EST
Altitude -0.8° 38.3° -0.8°
Azimuth 116.0° 180.0° 244.0°
Hour Angle of the Sun 77.6° 77.6° -77.6°
Mean Anomaly of the Sun 337.16° 337.37° 337.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.27° -101.03° -100.80°
Sun Declination -23.03° -23.05° -23.06°
Moon 1:03 AM EST   1:34 PM EST
Length of Visible Light 11h 13m
Length of Day
10h 21m
Last Quarter, 38% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter