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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 12:28 PM AKST 1:00 PM AKST 1:33 PM AKST
Civil Twilight 10:18 AM AKST   3:43 PM AKST
Nautical Twilight 8:49 AM AKST   5:11 PM AKST
Astronomical Twilight 7:38 AM AKST   6:23 PM AKST
Altitude -1.5° -1.3° -1.5°
Azimuth 172.5° 180.0° 187.5°
Hour Angle of the Sun 8.1° 8.1° -8.1°
Mean Anomaly of the Sun 338.53° 338.55° 338.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.74° -99.71° -99.69°
Sun Declination -23.13° -23.13° -23.14°
Moon 3:14 AM AKST   2:24 PM AKST
Length of Visible Light 5h 24m
Length of Day
1h 04m
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