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Astronomy

Apr. 20, 2015 Rise Solar Noon Set
Actual Time 6:32 AM MDT 1:05 PM MDT 7:39 PM MDT
Civil Twilight 6:07 AM MDT   8:04 PM MDT
Nautical Twilight 5:37 AM MDT   8:34 PM MDT
Astronomical Twilight 5:06 AM MDT   9:05 PM MDT
Altitude -0.8° 69.7° -0.8°
Azimuth 75.9° 180.0° 284.3°
Hour Angle of the Sun 98.3° 98.3° -98.4°
Mean Anomaly of the Sun 105.09° 105.35° 105.62°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.02° 28.28° 28.53°
Sun Declination 11.51° 11.61° 11.70°
Moon 8:06 AM MDT (4/20)   9:58 PM MDT (4/20)
Length of Visible Light 13h 57m
Length of Day
13h 06m
Waxing Crescent, 8% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New