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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:19 AM MDT 1:12 PM MDT 8:05 PM MDT
Civil Twilight 5:48 AM MDT   8:36 PM MDT
Nautical Twilight 5:11 AM MDT   9:14 PM MDT
Astronomical Twilight 4:30 AM MDT   9:55 PM MDT
Altitude -0.8° 57.4° -0.8°
Azimuth 72.4° 180.0° 287.9°
Hour Angle of the Sun 103.1° 103.2° -103.3°
Mean Anomaly of the Sun 106.06° 106.34° 106.63°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.95° 29.22° 29.49°
Sun Declination 11.85° 11.95° 12.04°
Moon 8:36 AM MDT   11:34 PM MDT
Length of Visible Light 14h 47m
Length of Day
13h 45m
Waxing Crescent, 9% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New