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Astronomy

Oct. 21, 2019 Rise Solar Noon Set
Actual Time 7:34 AM MDT 12:58 PM MDT 6:22 PM MDT
Civil Twilight 7:05 AM MDT   6:50 PM MDT
Nautical Twilight 6:32 AM MDT   7:23 PM MDT
Astronomical Twilight 5:59 AM MDT   7:56 PM MDT
Altitude -0.8° 36.2° -0.8°
Azimuth 103.9° 180.0° 255.9°
Hour Angle of the Sun 81.0° 81.0° -80.9°
Mean Anomaly of the Sun 286.44° 286.66° 286.88°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -154.13° -153.91° -153.70°
Sun Declination -10.71° -10.79° -10.87°
Moon No Moon Rise   3:00 PM MDT
Length of Visible Light 11h 45m
Length of Day
10h 47m
Last Quarter, 46% of the Moon is Illuminated
Oct 21
Last Quarter
Oct 27
New
Nov 4
First Quarter
Nov 12
Full
Nov 19
Last Quarter