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Astronomy

Apr. 23, 2018 Rise Solar Noon Set
Actual Time 6:14 AM MDT 1:12 PM MDT 8:11 PM MDT
Civil Twilight 5:42 AM MDT   8:43 PM MDT
Nautical Twilight 5:02 AM MDT   9:22 PM MDT
Astronomical Twilight 4:19 AM MDT   10:06 PM MDT
Altitude -0.8° 56.9° -0.8°
Azimuth 70.9° 180.0° 289.4°
Hour Angle of the Sun 104.5° 104.7° -104.8°
Mean Anomaly of the Sun 108.25° 108.53° 108.82°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 31.07° 31.35° 31.62°
Sun Declination 12.61° 12.71° 12.80°
Moon 1:07 PM MDT   3:10 AM MDT
Length of Visible Light 15h 01m
Length of Day
13h 57m
First Quarter, 60% of the Moon is Illuminated
Apr 23
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New
May 21
First Quarter