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Astronomy

Apr. 20, 2015 Rise Solar Noon Set
Actual Time 6:36 AM MDT 1:20 PM MDT 8:05 PM MDT
Civil Twilight 6:07 AM MDT   8:34 PM MDT
Nautical Twilight 5:33 AM MDT   9:09 PM MDT
Astronomical Twilight 4:57 AM MDT   9:45 PM MDT
Altitude -0.8° 61.2° -0.8°
Azimuth 74.1° 180.0° 286.2°
Hour Angle of the Sun 101.1° 101.2° -101.3°
Mean Anomaly of the Sun 105.09° 105.37° 105.64°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.03° 28.29° 28.55°
Sun Declination 11.51° 11.61° 11.70°
Moon 8:07 AM MDT (4/20)   10:31 PM MDT (4/20)
Length of Visible Light 14h 26m
Length of Day
13h 29m
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