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Astronomy

Jul. 20, 2017 Rise Solar Noon Set
Actual Time 5:43 AM MDT 1:20 PM MDT 8:56 PM MDT
Civil Twilight 5:07 AM MDT   9:32 PM MDT
Nautical Twilight 4:21 AM MDT   10:18 PM MDT
Astronomical Twilight 3:23 AM MDT   11:16 PM MDT
Altitude -0.8° 64.7° -0.8°
Azimuth 58.7° 180.0° 301.1°
Hour Angle of the Sun 114.1° 114.0° -113.9°
Mean Anomaly of the Sun 195.22° 195.53° 195.84°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 120.04° 120.36° 120.68°
Sun Declination 20.57° 20.51° 20.45°
Moon 3:04 AM MDT   6:18 PM MDT
Length of Visible Light 16h 24m
Length of Day
15h 12m
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