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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:17 AM EST 12:01 PM EST 4:45 PM EST
Civil Twilight 6:47 AM EST   5:15 PM EST
Nautical Twilight 6:14 AM EST   5:49 PM EST
Astronomical Twilight 5:41 AM EST   6:21 PM EST
Altitude -0.8° 27.9° -0.8°
Azimuth 119.6° 180.0° 240.4°
Hour Angle of the Sun 71.0° 71.0° -71.0°
Mean Anomaly of the Sun 338.15° 338.35° 338.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.16° -99.94° -99.73°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:45 AM EST   1:49 PM EST
Length of Visible Light 10h 28m
Length of Day
9h 28m
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