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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 10:15 AM AKST 1:59 PM AKST 5:44 PM AKST
Civil Twilight 9:31 AM AKST   6:27 PM AKST
Nautical Twilight 8:45 AM AKST   7:13 PM AKST
Astronomical Twilight 8:02 AM AKST   7:56 PM AKST
Altitude -0.8° 13.0° -0.8°
Azimuth 130.1° 180.0° 229.8°
Hour Angle of the Sun 56.2° 56.1° -56.1°
Mean Anomaly of the Sun 337.45° 337.60° 337.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.94° -100.77° -100.60°
Sun Declination -23.05° -23.07° -23.08°
Moon 2:53 AM AKST   3:24 PM AKST
Length of Visible Light 8h 55m
Length of Day
7h 29m
Waning Crescent, 33% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter