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Astronomy

Jul. 31, 2016 Rise Solar Noon Set
Actual Time 6:34 AM MDT 1:37 PM MDT 8:40 PM MDT
Civil Twilight 6:05 AM MDT   9:09 PM MDT
Nautical Twilight 5:29 AM MDT   9:45 PM MDT
Astronomical Twilight 4:50 AM MDT   10:23 PM MDT
Altitude -0.8° 70.2° -0.8°
Azimuth 66.2° 180.0° 293.6°
Hour Angle of the Sun 105.8° 105.8° -105.7°
Mean Anomaly of the Sun 206.35° 206.64° 206.93°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 131.16° 131.44° 131.73°
Sun Declination 18.07° 18.00° 17.93°
Moon 4:26 AM MDT   6:56 PM MDT
Length of Visible Light 15h 04m
Length of Day
14h 06m
Waning Crescent, 8% of the Moon is Illuminated
Jul 31
Waning Crescent
Aug 2
New
Aug 10
First Quarter
Aug 18
Full
Aug 24
Last Quarter