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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 6:19 AM MDT 1:31 PM MDT 8:43 PM MDT
Civil Twilight 5:49 AM MDT   9:13 PM MDT
Nautical Twilight 5:12 AM MDT   9:50 PM MDT
Astronomical Twilight 4:32 AM MDT   10:30 PM MDT
Altitude -0.8° 73.3° -0.8°
Azimuth 62.9° 180.0° 297.2°
Hour Angle of the Sun 107.9° 108.0° -108.0°
Mean Anomaly of the Sun 138.08° 138.37° 138.67°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.50° 60.80° 61.10°
Sun Declination 20.67° 20.73° 20.78°
Moon 5:02 AM MDT   6:22 PM MDT
Length of Visible Light 15h 23m
Length of Day
14h 24m
Waning Crescent, 7% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter