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Astronomy

Apr. 21, 2018 Rise Solar Noon Set
Actual Time 6:39 AM MDT 1:26 PM MDT 8:14 PM MDT
Civil Twilight 6:10 AM MDT   8:43 PM MDT
Nautical Twilight 5:35 AM MDT   9:18 PM MDT
Astronomical Twilight 4:57 AM MDT   9:56 PM MDT
Altitude -0.8° 60.8° -0.8°
Azimuth 73.3° 180.0° 287.0°
Hour Angle of the Sun 101.8° 101.9° -102.0°
Mean Anomaly of the Sun 106.29° 106.57° 106.85°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 29.22° 29.48° 29.75°
Sun Declination 11.95° 12.04° 12.14°
Moon 11:22 AM MDT   1:28 AM MDT
Length of Visible Light 14h 33m
Length of Day
13h 35m
Waxing Crescent, 36% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 22
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New