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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 5:38 AM MDT 12:57 PM MDT 8:16 PM MDT
Civil Twilight 5:07 AM MDT   8:47 PM MDT
Nautical Twilight 4:28 AM MDT   9:26 PM MDT
Astronomical Twilight 3:44 AM MDT   10:10 PM MDT
Altitude -0.8° 70.9° -0.8°
Azimuth 61.8° 180.0° 298.3°
Hour Angle of the Sun 109.6° 109.6° -109.7°
Mean Anomaly of the Sun 138.05° 138.35° 138.65°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.47° 60.77° 61.08°
Sun Declination 20.66° 20.72° 20.78°
Moon 4:25 AM MDT   5:49 PM MDT
Length of Visible Light 15h 39m
Length of Day
14h 37m
Waning Crescent, 5% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter