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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:40 AM MDT 1:25 PM MDT 8:11 PM MDT
Civil Twilight 6:11 AM MDT   8:39 PM MDT
Nautical Twilight 5:37 AM MDT   9:14 PM MDT
Astronomical Twilight 5:01 AM MDT   9:50 PM MDT
Altitude -0.8° 61.9° -0.8°
Azimuth 73.7° 180.0° 286.5°
Hour Angle of the Sun 101.3° 101.4° -101.5°
Mean Anomaly of the Sun 106.08° 106.35° 106.63°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.96° 29.23° 29.49°
Sun Declination 11.85° 11.95° 12.05°
Moon 9:00 AM MDT   11:36 PM MDT
Length of Visible Light 14h 27m
Length of Day
13h 30m
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