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Astronomy

May. 22, 2017 Rise Solar Noon Set
Actual Time 6:09 AM MDT 1:09 PM MDT 8:09 PM MDT
Civil Twilight 5:41 AM MDT   8:37 PM MDT
Nautical Twilight 5:08 AM MDT   9:11 PM MDT
Astronomical Twilight 4:32 AM MDT   9:47 PM MDT
Altitude -0.8° 77.7° -0.8°
Azimuth 64.8° 180.0° 295.3°
Hour Angle of the Sun 105.0° 105.1° -105.1°
Mean Anomaly of the Sun 137.08° 137.37° 137.66°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 59.48° 59.78° 60.07°
Sun Declination 20.48° 20.53° 20.59°
Moon 4:03 AM MDT   4:47 PM MDT
Length of Visible Light 14h 55m
Length of Day
14h 00m
Waning Crescent, 12% of the Moon is Illuminated
May 22
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter