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Astronomy

Oct. 21, 2017 Rise Solar Noon Set
Actual Time 6:29 AM HST 12:15 PM HST 6:01 PM HST
Civil Twilight 6:06 AM HST   6:24 PM HST
Nautical Twilight 5:40 AM HST   6:50 PM HST
Astronomical Twilight 5:14 AM HST   7:16 PM HST
Altitude -0.8° 57.7° -0.8°
Azimuth 101.4° 180.0° 258.4°
Hour Angle of the Sun 86.6° 86.6° -86.5°
Mean Anomaly of the Sun 287.07° 287.31° 287.55°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -153.55° -153.32° -153.10°
Sun Declination -10.93° -11.01° -11.10°
Moon 8:11 AM HST (10/21)   7:47 PM HST (10/21)
Length of Visible Light 12h 17m
Length of Day
11h 32m
Waxing Crescent, 5% of the Moon is Illuminated
Oct 21
Waxing Crescent
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New