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Astronomy

Oct. 20, 2017 Rise Solar Noon Set
Actual Time 9:59 AM HDT 3:08 PM HDT 8:16 PM HDT
Civil Twilight 9:24 AM HDT   8:51 PM HDT
Nautical Twilight 8:44 AM HDT   9:30 PM HDT
Astronomical Twilight 8:04 AM HDT   10:10 PM HDT
Altitude -0.8° 26.6° -0.8°
Azimuth 106.5° 180.0° 253.2°
Hour Angle of the Sun 77.2° 77.1° -77.0°
Mean Anomaly of the Sun 286.19° 286.40° 286.61°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -154.40° -154.20° -153.99°
Sun Declination -10.61° -10.69° -10.76°
Moon 12:01 PM HDT (10/21)   9:44 PM HDT (10/21)
Length of Visible Light 11h 26m
Length of Day
10h 16m
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