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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:57 AM WEST 1:39 PM WEST 7:21 PM WEST
Civil Twilight 7:33 AM WEST   7:45 PM WEST
Nautical Twilight 7:05 AM WEST   8:12 PM WEST
Astronomical Twilight 6:38 AM WEST   8:40 PM WEST
Altitude -0.8° 51.2° -0.8°
Azimuth 100.6° 180.0° 259.2°
Hour Angle of the Sun 85.5° 85.5° -85.4°
Mean Anomaly of the Sun 283.72° 283.96° 284.19°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.75° -156.53° -156.31°
Sun Declination -9.71° -9.80° -9.88°
Moon 6:34 AM WEST   6:55 PM WEST
Length of Visible Light 12h 11m
Length of Day
11h 23m
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