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Astronomy

Jul. 31, 2015 Rise Solar Noon Set
Actual Time 6:03 AM MDT 1:10 PM MDT 8:17 PM MDT
Civil Twilight 5:33 AM MDT   8:47 PM MDT
Nautical Twilight 4:56 AM MDT   9:24 PM MDT
Astronomical Twilight 4:15 AM MDT   10:04 PM MDT
Altitude -0.8° 68.9° -0.8°
Azimuth 65.4° 180.0° 294.4°
Hour Angle of the Sun 106.9° 106.8° -106.7°
Mean Anomaly of the Sun 205.60° 205.89° 206.18°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 130.40° 130.69° 130.98°
Sun Declination 18.27° 18.19° 18.12°
Moon 8:23 PM MDT (7/31)   6:21 AM MDT (7/31)
Length of Visible Light 15h 14m
Length of Day
14h 14m
Full, 100% of the Moon is Illuminated
Jul 31
Full
Aug 6
Last Quarter
Aug 14
New
Aug 22
First Quarter
Aug 29
Full