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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:26 AM MDT 1:33 PM MDT 8:39 PM MDT
Civil Twilight 5:51 AM MDT   9:14 PM MDT
Nautical Twilight 5:08 AM MDT   9:56 PM MDT
Astronomical Twilight 4:19 AM MDT   10:45 PM MDT
Altitude -0.8° 54.6° -0.8°
Azimuth 68.7° 180.0° 291.0°
Hour Angle of the Sun 106.9° 106.7° -106.6°
Mean Anomaly of the Sun 222.84° 223.13° 223.43°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.08° 147.36° 147.63°
Sun Declination 13.26° 13.16° 13.06°
Moon 1:54 AM MDT   5:34 PM MDT
Length of Visible Light 15h 22m
Length of Day
14h 13m
Waning Crescent, 24% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter