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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:23 AM EST 12:15 PM EST 5:06 PM EST
Civil Twilight 6:55 AM EST   5:35 PM EST
Nautical Twilight 6:22 AM EST   6:07 PM EST
Astronomical Twilight 5:51 AM EST   6:38 PM EST
Altitude -0.8° 30.4° -0.8°
Azimuth 118.5° 180.0° 241.5°
Hour Angle of the Sun 72.8° 72.8° -72.8°
Mean Anomaly of the Sun 338.16° 338.35° 338.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.16° -99.93° -99.71°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:58 AM EST   2:04 PM EST
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waning Crescent, 28% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter