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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:14 AM EST 12:11 PM EST 5:07 PM EST
Civil Twilight 6:46 AM EST   5:35 PM EST
Nautical Twilight 6:15 AM EST   6:07 PM EST
Astronomical Twilight 5:44 AM EST   6:37 PM EST
Altitude -0.8° 32.5° -0.8°
Azimuth 117.8° 180.0° 242.2°
Hour Angle of the Sun 74.1° 74.1° -74.1°
Mean Anomaly of the Sun 338.15° 338.35° 338.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.16° -99.94° -99.71°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:54 AM EST   2:01 PM EST
Length of Visible Light 10h 49m
Length of Day
9h 53m
Waning Crescent, 31% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter