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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 10:52 AM AKST 12:46 PM AKST 2:40 PM AKST
Civil Twilight 9:28 AM AKST   4:05 PM AKST
Nautical Twilight 8:17 AM AKST   5:16 PM AKST
Astronomical Twilight 7:15 AM AKST   6:18 PM AKST
Altitude -0.8° 1.9° -0.8°
Azimuth 154.0° 180.0° 206.0°
Hour Angle of the Sun 28.5° 28.5° -28.5°
Mean Anomaly of the Sun 341.42° 341.50° 341.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.50° -96.41° -96.32°
Sun Declination -23.30° -23.30° -23.31°
Moon 7:02 AM AKST (12/15)   2:43 PM AKST (12/15)
Length of Visible Light 6h 36m
Length of Day
3h 48m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter