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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 6:02 AM MDT 1:24 PM MDT 8:47 PM MDT
Civil Twilight 5:30 AM MDT   9:20 PM MDT
Nautical Twilight 4:49 AM MDT   10:00 PM MDT
Astronomical Twilight 4:03 AM MDT   10:47 PM MDT
Altitude -0.8° 69.5° -0.8°
Azimuth 61.2° 180.0° 299.0°
Hour Angle of the Sun 110.6° 110.6° -110.7°
Mean Anomaly of the Sun 138.06° 138.37° 138.67°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.48° 60.79° 61.10°
Sun Declination 20.67° 20.72° 20.78°
Moon 4:53 AM MDT   6:20 PM MDT
Length of Visible Light 15h 49m
Length of Day
14h 45m
Waning Crescent, 8% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter