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Astronomy

Oct. 21, 2019 Rise Solar Noon Set
Actual Time 7:15 AM MDT 12:42 PM MDT 6:08 PM MDT
Civil Twilight 6:47 AM MDT   6:36 PM MDT
Nautical Twilight 6:15 AM MDT   7:08 PM MDT
Astronomical Twilight 5:43 AM MDT   7:39 PM MDT
Altitude -0.8° 38.2° -0.8°
Azimuth 103.5° 180.0° 256.3°
Hour Angle of the Sun 81.7° 81.6° -81.5°
Mean Anomaly of the Sun 286.43° 286.65° 286.87°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -154.14° -153.92° -153.71°
Sun Declination -10.71° -10.79° -10.87°
Moon No Moon Rise   2:37 PM MDT
Length of Visible Light 11h 48m
Length of Day
10h 52m
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