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Astronomy

May. 21, 2018 Rise Solar Noon Set
Actual Time 5:51 AM MDT 1:29 PM MDT 9:07 PM MDT
Civil Twilight 5:14 AM MDT   9:44 PM MDT
Nautical Twilight 4:27 AM MDT   10:32 PM MDT
Astronomical Twilight 3:27 AM MDT   11:33 PM MDT
Altitude -0.8° 63.6° -0.8°
Azimuth 58.7° 180.0° 301.5°
Hour Angle of the Sun 114.4° 114.5° -114.6°
Mean Anomaly of the Sun 135.83° 136.14° 136.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.22° 58.54° 58.86°
Sun Declination 20.23° 20.29° 20.36°
Moon 12:26 PM MDT (5/21)   2:14 AM MDT (5/21)
Length of Visible Light 16h 29m
Length of Day
15h 15m
Waxing Crescent, 50% of the Moon is Illuminated
May 21
Waxing Crescent
May 21
First Quarter
May 29
Full
Jun 6
Last Quarter
Jun 13
New