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Astronomy

Jul. 31, 2015 Rise Solar Noon Set
Actual Time 6:14 AM MDT 1:42 PM MDT 9:10 PM MDT
Civil Twilight 5:39 AM MDT   9:45 PM MDT
Nautical Twilight 4:53 AM MDT   10:30 PM MDT
Astronomical Twilight 3:58 AM MDT   11:25 PM MDT
Altitude -0.8° 61.3° -0.8°
Azimuth 61.7° 180.0° 298.1°
Hour Angle of the Sun 112.0° 111.9° -111.8°
Mean Anomaly of the Sun 205.60° 205.91° 206.22°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 130.41° 130.71° 131.01°
Sun Declination 18.27° 18.19° 18.11°
Moon 9:09 PM MDT   6:39 AM MDT
Length of Visible Light 16h 06m
Length of Day
14h 55m
Full, 100% of the Moon is Illuminated
Jul 31
Full
Jul 31
Full
Aug 6
Last Quarter
Aug 14
New
Aug 22
First Quarter