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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 6:48 AM HST 12:16 PM HST 5:44 PM HST
Civil Twilight 6:24 AM HST   6:08 PM HST
Nautical Twilight 5:57 AM HST   6:36 PM HST
Astronomical Twilight 5:30 AM HST   7:03 PM HST
Altitude -0.8° 46.8° -0.8°
Azimuth 114.6° 180.0° 245.4°
Hour Angle of the Sun 82.0° 82.0° -82.0°
Mean Anomaly of the Sun 343.26° 343.49° 343.71°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.42° -94.17° -93.92°
Sun Declination -23.37° -23.38° -23.39°
Moon 6:18 AM HST (12/17)   5:42 PM HST (12/17)
Length of Visible Light 11h 44m
Length of Day
10h 56m
New Moon, 0% of the Moon is Illuminated
Dec 18
New Moon
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter
Jan 16
New