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Astronomy

May. 23, 2015 Rise Solar Noon Set
Actual Time 5:20 AM MDT 1:18 PM MDT 9:15 PM MDT
Civil Twilight 4:38 AM MDT   9:58 PM MDT
Nautical Twilight 3:38 AM MDT   10:58 PM MDT
Astronomical Twilight 1:53 AM MDT   12:51 AM MDT
Altitude -0.8° 59.6° -0.8°
Azimuth 54.8° 180.0° 305.5°
Hour Angle of the Sun 119.3° 119.4° -119.5°
Mean Anomaly of the Sun 137.56° 137.89° 138.22°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 59.94° 60.27° 60.61°
Sun Declination 20.56° 20.63° 20.69°
Moon 10:53 AM MDT   12:57 AM MDT
Length of Visible Light 17h 20m
Length of Day
15h 54m
Waxing Crescent, 28% of the Moon is Illuminated
May 23
Waxing Crescent
May 25
First Quarter
Jun 2
Full
Jun 9
Last Quarter
Jun 16
New