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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 8:29 AM EST 1:47 PM EST 7:04 PM EST
Civil Twilight 8:04 AM EST   7:29 PM EST
Nautical Twilight 7:36 AM EST   7:58 PM EST
Astronomical Twilight 7:08 AM EST   8:26 PM EST
Altitude -0.8° 41.4° -0.8°
Azimuth 115.3° 180.0° 244.7°
Hour Angle of the Sun 79.3° 79.3° -79.3°
Mean Anomaly of the Sun 337.21° 337.43° 337.65°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.21° -100.96° -100.72°
Sun Declination -23.04° -23.05° -23.07°
Moon 2:38 AM EST (12/11)   3:07 PM EST (12/11)
Length of Visible Light 11h 24m
Length of Day
10h 34m
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