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Astronomy

Jul. 20, 2017 Rise Solar Noon Set
Actual Time 6:02 AM MDT 1:10 PM MDT 8:18 PM MDT
Civil Twilight 5:32 AM MDT   8:47 PM MDT
Nautical Twilight 4:57 AM MDT   9:23 PM MDT
Astronomical Twilight 4:18 AM MDT   10:01 PM MDT
Altitude -0.8° 74.4° -0.8°
Azimuth 63.5° 180.0° 296.3°
Hour Angle of the Sun 107.1° 107.0° -107.0°
Mean Anomaly of the Sun 195.23° 195.52° 195.81°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 120.06° 120.35° 120.65°
Sun Declination 20.56° 20.51° 20.45°
Moon 3:17 AM MDT   5:42 PM MDT
Length of Visible Light 15h 14m
Length of Day
14h 16m
Waning Crescent, 11% of the Moon is Illuminated
Jul 20
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter