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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:05 AM MDT 12:53 PM MDT 7:42 PM MDT
Civil Twilight 5:36 AM MDT   8:11 PM MDT
Nautical Twilight 5:00 AM MDT   8:47 PM MDT
Astronomical Twilight 4:23 AM MDT   9:25 PM MDT
Altitude -0.8° 60.1° -0.8°
Azimuth 73.2° 180.0° 287.0°
Hour Angle of the Sun 102.0° 102.1° -102.2°
Mean Anomaly of the Sun 106.05° 106.33° 106.61°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.94° 29.21° 29.47°
Sun Declination 11.85° 11.94° 12.04°
Moon 8:23 AM MDT   11:07 PM MDT
Length of Visible Light 14h 35m
Length of Day
13h 36m
Waxing Crescent, 13% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New