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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:17 AM MDT 12:57 PM MDT 7:36 PM MDT
Civil Twilight 5:51 AM MDT   8:02 PM MDT
Nautical Twilight 5:20 AM MDT   8:33 PM MDT
Astronomical Twilight 4:48 AM MDT   9:05 PM MDT
Altitude -0.8° 69.9° -0.8°
Azimuth 73.5° 180.0° 286.3°
Hour Angle of the Sun 99.9° 99.9° -99.8°
Mean Anomaly of the Sun 222.84° 223.11° 223.38°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.07° 147.33° 147.59°
Sun Declination 13.26° 13.17° 13.08°
Moon 1:57 AM MDT   4:14 PM MDT
Length of Visible Light 14h 10m
Length of Day
13h 18m
Waning Crescent, 20% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter