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Astronomy

Jul. 31, 2015 Rise Solar Noon Set
Actual Time 5:30 AM MDT 1:05 PM MDT 8:38 PM MDT
Civil Twilight 4:53 AM MDT   9:15 PM MDT
Nautical Twilight 4:04 AM MDT   10:04 PM MDT
Astronomical Twilight 3:02 AM MDT   11:05 PM MDT
Altitude -0.8° 59.4° -0.8°
Azimuth 60.5° 180.0° 299.3°
Hour Angle of the Sun 113.6° 113.5° -113.4°
Mean Anomaly of the Sun 205.57° 205.89° 206.20°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 130.38° 130.69° 130.99°
Sun Declination 18.27° 18.20° 18.12°
Moon 8:34 PM MDT (7/31)   5:55 AM MDT (7/31)
Length of Visible Light 16h 22m
Length of Day
15h 08m
Full, 99% of the Moon is Illuminated
Aug 1
Full
Aug 6
Last Quarter
Aug 14
New
Aug 22
First Quarter
Aug 29
Full