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Astronomy

Oct. 20, 2017 Rise Solar Noon Set
Actual Time 6:16 AM HST 12:05 PM HST 5:53 PM HST
Civil Twilight 5:54 AM HST   6:15 PM HST
Nautical Twilight 5:28 AM HST   6:41 PM HST
Astronomical Twilight 5:03 AM HST   7:06 PM HST
Altitude -0.8° 59.6° -0.8°
Azimuth 100.9° 180.0° 258.9°
Hour Angle of the Sun 87.1° 87.0° -87.0°
Mean Anomaly of the Sun 286.08° 286.32° 286.55°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -154.50° -154.28° -154.05°
Sun Declination -10.57° -10.65° -10.74°
Moon 7:06 AM HST (10/20)   6:57 PM HST (10/20)
Length of Visible Light 12h 20m
Length of Day
11h 36m
New Moon, 3% of the Moon is Illuminated
Oct 21
New Moon
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New