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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:14 AM MDT 12:59 PM MDT 7:45 PM MDT
Civil Twilight 5:46 AM MDT   8:14 PM MDT
Nautical Twilight 5:12 AM MDT   8:48 PM MDT
Astronomical Twilight 4:35 AM MDT   9:24 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° -101.4°
Mean Anomaly of the Sun 106.06° 106.34° 106.61°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.95° 29.21° 29.47°
Sun Declination 11.85° 11.94° 12.04°
Moon 8:34 AM MDT (4/21)   11:09 PM MDT (4/21)
Length of Visible Light 14h 27m
Length of Day
13h 30m
Waxing Crescent, 13% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New