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Astronomy

Apr. 23, 2017 Rise Solar Noon Set
Actual Time 6:09 AM MDT 12:58 PM MDT 7:47 PM MDT
Civil Twilight 5:40 AM MDT   8:16 PM MDT
Nautical Twilight 5:05 AM MDT   8:51 PM MDT
Astronomical Twilight 4:28 AM MDT   9:29 PM MDT
Altitude -0.8° 62.3° -0.8°
Azimuth 72.5° 180.0° 287.8°
Hour Angle of the Sun 102.2° 102.3° -102.4°
Mean Anomaly of the Sun 108.50° 108.78° 109.06°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 31.30° 31.57° 31.83°
Sun Declination 12.69° 12.78° 12.88°
Moon 4:44 AM MDT   4:42 PM MDT
Length of Visible Light 14h 36m
Length of Day
13h 38m
Waning Crescent, 10% of the Moon is Illuminated
Apr 23
Waning Crescent
Apr 26
New
May 2
First Quarter
May 10
Full
May 18
Last Quarter