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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:10 AM EST 11:48 AM EST 4:27 PM EST
Civil Twilight 6:39 AM EST   4:58 PM EST
Nautical Twilight 6:04 AM EST   5:32 PM EST
Astronomical Twilight 5:31 AM EST   6:06 PM EST
Altitude -0.8° 25.9° -0.8°
Azimuth 120.4° 180.0° 239.6°
Hour Angle of the Sun 69.6° 69.6° -69.5°
Mean Anomaly of the Sun 337.16° 337.35° 337.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.27° -101.06° -100.84°
Sun Declination -23.03° -23.05° -23.06°
Moon 12:30 AM EST (12/11)   1:07 PM EST (12/11)
Length of Visible Light 10h 18m
Length of Day
9h 16m
Waning Crescent, 32% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter