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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 9:48 AM AKST 1:06 PM AKST 4:24 PM AKST
Civil Twilight 8:57 AM AKST   5:15 PM AKST
Nautical Twilight 8:05 AM AKST   6:07 PM AKST
Astronomical Twilight 7:17 AM AKST   6:55 PM AKST
Altitude -0.8° 9.0° -0.8°
Azimuth 135.6° 180.0° 224.4°
Hour Angle of the Sun 49.5° 49.5° -49.5°
Mean Anomaly of the Sun 338.42° 338.55° 338.69°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.86° -99.71° -99.56°
Sun Declination -23.13° -23.13° -23.14°
Moon 3:10 AM AKST   2:46 PM AKST
Length of Visible Light 8h 18m
Length of Day
6h 36m
Waning Crescent, 27% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter