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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 6:27 AM HST 12:16 PM HST 6:04 PM HST
Civil Twilight 6:05 AM HST   6:27 PM HST
Nautical Twilight 5:39 AM HST   6:52 PM HST
Astronomical Twilight 5:13 AM HST   7:18 PM HST
Altitude -0.8° 59.0° -0.8°
Azimuth 99.9° 180.0° 259.9°
Hour Angle of the Sun 87.1° 87.1° -87.1°
Mean Anomaly of the Sun 283.13° 283.37° 283.61°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.32° -157.09° -156.86°
Sun Declination -9.49° -9.58° -9.67°
Moon 4:39 AM HST (10/17)   5:09 PM HST (10/17)
Length of Visible Light 12h 21m
Length of Day
11h 36m
Waning Crescent, 3% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter