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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:30 AM MDT 1:10 PM MDT 7:51 PM MDT
Civil Twilight 6:03 AM MDT   8:18 PM MDT
Nautical Twilight 5:30 AM MDT   8:50 PM MDT
Astronomical Twilight 4:57 AM MDT   9:24 PM MDT
Altitude -0.8° 65.2° -0.8°
Azimuth 74.5° 180.0° 285.7°
Hour Angle of the Sun 100.1° 100.2° -100.2°
Mean Anomaly of the Sun 106.07° 106.34° 106.62°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.96° 29.22° 29.48°
Sun Declination 11.85° 11.95° 12.04°
Moon 8:52 AM MDT   11:13 PM MDT
Length of Visible Light 14h 15m
Length of Day
13h 21m
Waxing Crescent, 10% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New