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Astronomy

Jul. 31, 2015 Rise Solar Noon Set
Actual Time 6:28 AM MDT 1:41 PM MDT 8:53 PM MDT
Civil Twilight 5:57 AM MDT   9:24 PM MDT
Nautical Twilight 5:18 AM MDT   10:03 PM MDT
Astronomical Twilight 4:35 AM MDT   10:46 PM MDT
Altitude -0.8° 66.7° -0.8°
Azimuth 64.5° 180.0° 295.3°
Hour Angle of the Sun 108.2° 108.1° -108.0°
Mean Anomaly of the Sun 205.61° 205.91° 206.21°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 130.42° 130.71° 131.00°
Sun Declination 18.26° 18.19° 18.11°
Moon 8:58 PM MDT (7/31)   6:49 AM MDT (7/31)
Length of Visible Light 15h 27m
Length of Day
14h 24m
Full, 99% of the Moon is Illuminated
Jul 31
Full
Aug 6
Last Quarter
Aug 14
New
Aug 22
First Quarter
Aug 29
Full