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Astronomy

Apr. 23, 2017 Rise Solar Noon Set
Actual Time 5:58 AM MDT 12:52 PM MDT 7:48 PM MDT
Civil Twilight 5:27 AM MDT   8:18 PM MDT
Nautical Twilight 4:50 AM MDT   8:56 PM MDT
Astronomical Twilight 4:09 AM MDT   9:37 PM MDT
Altitude -0.8° 59.1° -0.8°
Azimuth 71.5° 180.0° 288.8°
Hour Angle of the Sun 103.7° 103.7° -103.8°
Mean Anomaly of the Sun 108.49° 108.78° 109.06°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 31.29° 31.56° 31.83°
Sun Declination 12.69° 12.78° 12.88°
Moon 4:40 AM MDT   4:35 PM MDT
Length of Visible Light 14h 51m
Length of Day
13h 49m
Waning Crescent, 11% of the Moon is Illuminated
Apr 23
Waning Crescent
Apr 26
New
May 2
First Quarter
May 10
Full
May 18
Last Quarter