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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:10 AM EST 12:01 PM EST 4:52 PM EST
Civil Twilight 6:42 AM EST   5:21 PM EST
Nautical Twilight 6:09 AM EST   5:53 PM EST
Astronomical Twilight 5:38 AM EST   6:24 PM EST
Altitude -0.8° 30.2° -0.8°
Azimuth 118.6° 180.0° 241.4°
Hour Angle of the Sun 72.7° 72.6° -72.6°
Mean Anomaly of the Sun 338.15° 338.35° 338.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.17° -99.94° -99.72°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:44 AM EST (12/12)   1:50 PM EST (12/12)
Length of Visible Light 10h 39m
Length of Day
9h 41m
Waning Crescent, 22% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter