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Astronomy

Jul. 28, 2017 Rise Solar Noon Set
Actual Time 5:55 AM MDT 1:06 PM MDT 8:16 PM MDT
Civil Twilight 5:24 AM MDT   8:47 PM MDT
Nautical Twilight 4:47 AM MDT   9:24 PM MDT
Astronomical Twilight 4:05 AM MDT   10:06 PM MDT
Altitude -0.8° 69.0° -0.8°
Azimuth 64.3° 180.0° 295.5°
Hour Angle of the Sun 107.7° 107.7° -107.6°
Mean Anomaly of the Sun 203.11° 203.40° 203.70°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 127.97° 128.26° 128.55°
Sun Declination 18.87° 18.80° 18.73°
Moon 11:38 AM MDT   11:39 PM MDT
Length of Visible Light 15h 22m
Length of Day
14h 21m
Waxing Crescent, 31% of the Moon is Illuminated
Jul 28
Waxing Crescent
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter
Aug 21
New