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Astronomy

Apr. 17, 2015 Rise Solar Noon Set
Actual Time 6:40 AM MDT 1:29 PM MDT 8:19 PM MDT
Civil Twilight 6:09 AM MDT   8:50 PM MDT
Nautical Twilight 5:31 AM MDT   9:29 PM MDT
Astronomical Twilight 4:49 AM MDT   10:10 PM MDT
Altitude -0.8° 54.6° -0.8°
Azimuth 74.0° 180.0° 286.3°
Hour Angle of the Sun 102.3° 102.4° -102.5°
Mean Anomaly of the Sun 102.13° 102.41° 102.69°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 25.24° 25.50° 25.77°
Sun Declination 10.47° 10.57° 10.67°
Moon 6:08 AM MDT (4/17)   7:17 PM MDT (4/17)
Length of Visible Light 14h 41m
Length of Day
13h 38m
Waning Crescent, 1% of the Moon is Illuminated
Apr 17
Waning Crescent
Apr 18
New
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter