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Astronomy

Sep. 19, 2017 Rise Solar Noon Set
Actual Time 6:10 AM HST 12:15 PM HST 6:20 PM HST
Civil Twilight 5:48 AM HST   6:42 PM HST
Nautical Twilight 5:23 AM HST   7:07 PM HST
Astronomical Twilight 4:57 AM HST   7:33 PM HST
Altitude -0.8° 71.9° -0.8°
Azimuth 88.4° 180.0° 271.4°
Hour Angle of the Sun 91.3° 91.3° -91.2°
Mean Anomaly of the Sun 255.52° 255.77° 256.02°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.16° 177.39° 177.62°
Sun Declination 1.23° 1.13° 1.03°
Moon 5:44 AM HST (9/19)   6:22 PM HST (9/19)
Length of Visible Light 12h 53m
Length of Day
12h 10m
Waning Crescent, 0% of the Moon is Illuminated
Sep 20
Waning Crescent
Sep 20
New
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter