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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 11:53 AM AKST 1:55 PM AKST 3:58 PM AKST
Civil Twilight 10:32 AM AKST   5:18 PM AKST
Nautical Twilight 9:23 AM AKST   6:28 PM AKST
Astronomical Twilight 8:22 AM AKST   7:29 PM AKST
Altitude -0.8° 2.3° -0.8°
Azimuth 152.1° 180.0° 207.9°
Hour Angle of the Sun 30.6° 30.6° -30.6°
Mean Anomaly of the Sun 338.98° 339.06° 339.15°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.20° -99.11° -99.01°
Sun Declination -23.17° -23.17° -23.18°
Moon 5:25 PM AKST   1:42 PM AKST
Length of Visible Light 6h 45m
Length of Day
4h 04m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full