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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 10:25 AM AKST 1:01 PM AKST 3:36 PM AKST
Civil Twilight 9:19 AM AKST   4:42 PM AKST
Nautical Twilight 8:18 AM AKST   5:44 PM AKST
Astronomical Twilight 7:22 AM AKST   6:39 PM AKST
Altitude -0.8° 4.7° -0.8°
Azimuth 144.8° 180.0° 215.2°
Hour Angle of the Sun 38.9° 38.9° -38.9°
Mean Anomaly of the Sun 343.37° 343.48° 343.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.30° -94.18° -94.06°
Sun Declination -23.38° -23.38° -23.38°
Moon 9:19 AM AKST (12/17)   4:06 PM AKST (12/17)
Length of Visible Light 7h 22m
Length of Day
5h 11m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter