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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 10:10 AM AKST 12:55 PM AKST 3:40 PM AKST
Civil Twilight 9:08 AM AKST   4:42 PM AKST
Nautical Twilight 8:08 AM AKST   5:41 PM AKST
Astronomical Twilight 7:15 AM AKST   6:35 PM AKST
Altitude -0.8° 5.4° -0.8°
Azimuth 142.8° 180.0° 217.2°
Hour Angle of the Sun 41.2° 41.2° -41.2°
Mean Anomaly of the Sun 342.38° 342.49° 342.60°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.42° -95.30° -95.17°
Sun Declination -23.34° -23.35° -23.35°
Moon 8:01 AM AKST (12/16)   3:37 PM AKST (12/16)
Length of Visible Light 7h 33m
Length of Day
5h 29m
Waning Crescent, 1% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter