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Astronomy

Oct. 21, 2019 Rise Solar Noon Set
Actual Time 7:11 AM MDT 12:37 PM MDT 6:02 PM MDT
Civil Twilight 6:43 AM MDT   6:30 PM MDT
Nautical Twilight 6:10 AM MDT   7:02 PM MDT
Astronomical Twilight 5:38 AM MDT   7:35 PM MDT
Altitude -0.8° 37.4° -0.8°
Azimuth 103.7° 180.0° 256.1°
Hour Angle of the Sun 81.4° 81.3° -81.3°
Mean Anomaly of the Sun 286.42° 286.65° 286.87°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -154.14° -153.93° -153.71°
Sun Declination -10.71° -10.79° -10.87°
Moon No Moon Rise   2:34 PM MDT
Length of Visible Light 11h 47m
Length of Day
10h 50m
Waning Gibbous, 49% of the Moon is Illuminated
Oct 21
Waning Gibbous
Oct 27
New
Nov 4
First Quarter
Nov 12
Full
Nov 19
Last Quarter