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Astronomy

Apr. 20, 2015 Rise Solar Noon Set
Actual Time 6:17 AM MDT 1:03 PM MDT 7:49 PM MDT
Civil Twilight 5:48 AM MDT   8:19 PM MDT
Nautical Twilight 5:13 AM MDT   8:54 PM MDT
Astronomical Twilight 4:36 AM MDT   9:31 PM MDT
Altitude -0.8° 60.3° -0.8°
Azimuth 73.8° 180.0° 286.4°
Hour Angle of the Sun 101.5° 101.5° -101.6°
Mean Anomaly of the Sun 105.08° 105.35° 105.63°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.02° 28.28° 28.54°
Sun Declination 11.51° 11.60° 11.70°
Moon 7:47 AM MDT (4/20)   10:15 PM MDT (4/20)
Length of Visible Light 14h 30m
Length of Day
13h 32m
Waxing Crescent, 7% of the Moon is Illuminated
Apr 20
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New