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Astronomy

Oct. 21, 2019 Rise Solar Noon Set
Actual Time 7:24 AM MDT 12:50 PM MDT 6:16 PM MDT
Civil Twilight 6:56 AM MDT   6:44 PM MDT
Nautical Twilight 6:24 AM MDT   7:16 PM MDT
Astronomical Twilight 5:52 AM MDT   7:48 PM MDT
Altitude -0.8° 38.1° -0.8°
Azimuth 103.5° 180.0° 256.2°
Hour Angle of the Sun 81.6° 81.6° -81.5°
Mean Anomaly of the Sun 286.43° 286.66° 286.88°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -154.13° -153.92° -153.70°
Sun Declination -10.71° -10.79° -10.87°
Moon No Moon Rise   2:46 PM MDT
Length of Visible Light 11h 48m
Length of Day
10h 52m
Waning Gibbous, 53% of the Moon is Illuminated
Oct 21
Waning Gibbous
Oct 21
Last Quarter
Oct 27
New
Nov 4
First Quarter
Nov 12
Full