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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:39 AM MDT 1:26 PM MDT 8:13 PM MDT
Civil Twilight 6:11 AM MDT   8:41 PM MDT
Nautical Twilight 5:37 AM MDT   9:15 PM MDT
Astronomical Twilight 5:01 AM MDT   9:50 PM MDT
Altitude -0.8° 64.8° -0.8°
Azimuth 72.3° 180.0° 287.5°
Hour Angle of the Sun 101.9° 101.8° -101.7°
Mean Anomaly of the Sun 222.85° 223.13° 223.41°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.09° 147.35° 147.61°
Sun Declination 13.25° 13.16° 13.07°
Moon 2:17 AM MDT   4:57 PM MDT
Length of Visible Light 14h 30m
Length of Day
13h 34m
Waning Crescent, 21% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter