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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 5:53 AM MDT 12:54 PM MDT 7:55 PM MDT
Civil Twilight 5:20 AM MDT   8:27 PM MDT
Nautical Twilight 4:40 AM MDT   9:07 PM MDT
Astronomical Twilight 3:56 AM MDT   9:51 PM MDT
Altitude -0.8° 57.2° -0.8°
Azimuth 69.8° 180.0° 289.9°
Hour Angle of the Sun 105.4° 105.3° -105.2°
Mean Anomaly of the Sun 222.82° 223.11° 223.40°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.06° 147.33° 147.60°
Sun Declination 13.26° 13.17° 13.07°
Moon 1:23 AM MDT   4:45 PM MDT
Length of Visible Light 15h 07m
Length of Day
14h 02m
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