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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:02 AM HST 12:27 PM HST 5:52 PM HST
Civil Twilight 6:38 AM HST   6:16 PM HST
Nautical Twilight 6:10 AM HST   6:44 PM HST
Astronomical Twilight 5:42 AM HST   7:11 PM HST
Altitude -0.8° 45.2° -0.8°
Azimuth 114.9° 180.0° 245.1°
Hour Angle of the Sun 81.2° 81.2° -81.2°
Mean Anomaly of the Sun 343.27° 343.50° 343.72°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.41° -94.16° -93.91°
Sun Declination -23.37° -23.38° -23.39°
Moon 6:32 AM HST (12/17)   5:50 PM HST (12/17)
Length of Visible Light 11h 38m
Length of Day
10h 50m
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