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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 5:59 AM MDT 12:50 PM MDT 7:42 PM MDT
Civil Twilight 5:28 AM MDT   8:13 PM MDT
Nautical Twilight 4:51 AM MDT   8:50 PM MDT
Astronomical Twilight 4:11 AM MDT   9:31 PM MDT
Altitude -0.8° 58.0° -0.8°
Azimuth 72.6° 180.0° 287.7°
Hour Angle of the Sun 102.9° 103.0° -103.1°
Mean Anomaly of the Sun 106.05° 106.33° 106.61°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.94° 29.20° 29.47°
Sun Declination 11.84° 11.94° 12.04°
Moon 8:15 AM MDT (4/21)   11:10 PM MDT (4/21)
Length of Visible Light 14h 45m
Length of Day
13h 43m
Waxing Crescent, 15% of the Moon is Illuminated
Apr 22
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New