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Astronomy

Jul. 31, 2015 Rise Solar Noon Set
Actual Time 6:09 AM MDT 1:25 PM MDT 8:41 PM MDT
Civil Twilight 5:37 AM MDT   9:13 PM MDT
Nautical Twilight 4:56 AM MDT   9:53 PM MDT
Astronomical Twilight 4:11 AM MDT   10:38 PM MDT
Altitude -0.8° 65.4° -0.8°
Azimuth 63.9° 180.0° 295.9°
Hour Angle of the Sun 109.1° 109.0° -108.9°
Mean Anomaly of the Sun 205.60° 205.90° 206.20°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 130.40° 130.70° 130.99°
Sun Declination 18.27° 18.19° 18.12°
Moon 8:44 PM MDT (7/31)   6:30 AM MDT (7/31)
Length of Visible Light 15h 36m
Length of Day
14h 31m
Full, 99% of the Moon is Illuminated
Jul 31
Full
Aug 6
Last Quarter
Aug 14
New
Aug 22
First Quarter
Aug 29
Full