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Astronomy

Oct. 20, 2017 Rise Solar Noon Set
Actual Time 7:43 AM MDT 1:10 PM MDT 6:37 PM MDT
Civil Twilight 7:15 AM MDT   7:05 PM MDT
Nautical Twilight 6:43 AM MDT   7:37 PM MDT
Astronomical Twilight 6:11 AM MDT   8:09 PM MDT
Altitude -0.8° 38.7° -0.8°
Azimuth 103.2° 180.0° 256.6°
Hour Angle of the Sun 81.9° 81.8° -81.8°
Mean Anomaly of the Sun 285.97° 286.20° 286.42°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -154.61° -154.39° -154.18°
Sun Declination -10.53° -10.61° -10.69°
Moon 8:25 AM MDT   7:35 PM MDT
Length of Visible Light 11h 50m
Length of Day
10h 54m
New Moon, 1% of the Moon is Illuminated
Oct 20
New Moon
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New