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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:32 AM EST 12:03 PM EST 4:34 PM EST
Civil Twilight 7:00 AM EST   5:07 PM EST
Nautical Twilight 6:24 AM EST   5:43 PM EST
Astronomical Twilight 5:49 AM EST   6:17 PM EST
Altitude -0.8° 23.7° -0.8°
Azimuth 121.6° 180.0° 238.3°
Hour Angle of the Sun 67.8° 67.8° -67.7°
Mean Anomaly of the Sun 338.16° 338.35° 338.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.15° -99.94° -99.73°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:48 AM EST   1:50 PM EST
Length of Visible Light 10h 07m
Length of Day
9h 02m
Waning Crescent, 29% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter