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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:13 AM MDT 1:03 PM MDT 7:52 PM MDT
Civil Twilight 5:45 AM MDT   8:21 PM MDT
Nautical Twilight 5:10 AM MDT   8:56 PM MDT
Astronomical Twilight 4:33 AM MDT   9:32 PM MDT
Altitude -0.8° 63.3° -0.8°
Azimuth 71.9° 180.0° 287.9°
Hour Angle of the Sun 102.5° 102.4° -102.3°
Mean Anomaly of the Sun 222.83° 223.11° 223.39°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.07° 147.34° 147.60°
Sun Declination 13.26° 13.17° 13.08°
Moon 1:49 AM MDT   4:36 PM MDT
Length of Visible Light 14h 36m
Length of Day
13h 39m
Waning Crescent, 25% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter