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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:09 AM HST 12:45 PM HST 6:21 PM HST
Civil Twilight 6:46 AM HST   6:44 PM HST
Nautical Twilight 6:19 AM HST   7:11 PM HST
Astronomical Twilight 5:53 AM HST   7:38 PM HST
Altitude -0.8° 51.4° -0.8°
Azimuth 108.3° 180.0° 251.8°
Hour Angle of the Sun 83.9° 84.0° -84.0°
Mean Anomaly of the Sun 27.41° 27.64° 27.87°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.04° -45.80° -45.56°
Sun Declination -17.33° -17.26° -17.20°
Moon 4:00 PM HST (1/31)   4:36 AM HST (1/31)
Length of Visible Light 11h 58m
Length of Day
11h 11m
Waxing Gibbous, 94% of the Moon is Illuminated
Feb 1
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter