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Astronomy

Apr. 21, 2018 Rise Solar Noon Set
Actual Time 6:05 AM MDT 12:53 PM MDT 7:42 PM MDT
Civil Twilight 5:35 AM MDT   8:11 PM MDT
Nautical Twilight 5:00 AM MDT   8:47 PM MDT
Astronomical Twilight 4:22 AM MDT   9:25 PM MDT
Altitude -0.8° 60.2° -0.8°
Azimuth 73.1° 180.0° 287.2°
Hour Angle of the Sun 102.1° 102.2° -102.2°
Mean Anomaly of the Sun 106.27° 106.55° 106.83°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 29.19° 29.46° 29.72°
Sun Declination 11.94° 12.03° 12.13°
Moon 10:46 AM MDT   12:56 AM MDT
Length of Visible Light 14h 35m
Length of Day
13h 37m
Waxing Crescent, 32% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 22
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New