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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:13 AM MDT 12:38 PM MDT 6:03 PM MDT
Civil Twilight 6:43 AM MDT   6:32 PM MDT
Nautical Twilight 6:09 AM MDT   7:06 PM MDT
Astronomical Twilight 5:35 AM MDT   7:40 PM MDT
Altitude -0.8° 35.5° -0.8°
Azimuth 103.0° 180.0° 256.8°
Hour Angle of the Sun 81.4° 81.3° -81.2°
Mean Anomaly of the Sun 283.98° 284.20° 284.43°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.51° -156.29° -156.08°
Sun Declination -9.80° -9.89° -9.97°
Moon 5:49 AM MDT (10/18)   5:58 PM MDT (10/18)
Length of Visible Light 11h 49m
Length of Day
10h 50m
Waning Crescent, 0% of the Moon is Illuminated
Oct 18
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter