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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:52 AM MDT 1:44 PM MDT 8:35 PM MDT
Civil Twilight 6:21 AM MDT   9:05 PM MDT
Nautical Twilight 5:44 AM MDT   9:42 PM MDT
Astronomical Twilight 5:05 AM MDT   10:22 PM MDT
Altitude -0.8° 58.9° -0.8°
Azimuth 72.2° 180.0° 287.5°
Hour Angle of the Sun 103.0° 102.9° -102.8°
Mean Anomaly of the Sun 225.82° 226.10° 226.38°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.88° 150.15° 150.41°
Sun Declination 12.27° 12.18° 12.08°
Moon 5:31 AM MDT   8:04 PM MDT
Length of Visible Light 14h 43m
Length of Day
13h 43m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter