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Astronomy

Jul. 20, 2017 Rise Solar Noon Set
Actual Time 5:48 AM MDT 1:07 PM MDT 8:25 PM MDT
Civil Twilight 5:17 AM MDT   8:56 PM MDT
Nautical Twilight 4:38 AM MDT   9:35 PM MDT
Astronomical Twilight 3:53 AM MDT   10:19 PM MDT
Altitude -0.8° 70.5° -0.8°
Azimuth 61.9° 180.0° 297.9°
Hour Angle of the Sun 109.6° 109.6° -109.5°
Mean Anomaly of the Sun 195.22° 195.52° 195.82°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 120.05° 120.35° 120.66°
Sun Declination 20.57° 20.51° 20.45°
Moon 3:05 AM MDT   5:48 PM MDT
Length of Visible Light 15h 39m
Length of Day
14h 36m
Waning Crescent, 10% of the Moon is Illuminated
Jul 20
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter