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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:23 AM MDT 1:04 PM MDT 7:47 PM MDT
Civil Twilight 5:55 AM MDT   8:14 PM MDT
Nautical Twilight 5:22 AM MDT   8:47 PM MDT
Astronomical Twilight 4:48 AM MDT   9:22 PM MDT
Altitude -0.8° 64.2° -0.8°
Azimuth 74.3° 180.0° 286.0°
Hour Angle of the Sun 100.4° 100.5° -100.6°
Mean Anomaly of the Sun 106.06° 106.34° 106.62°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.95° 29.21° 29.48°
Sun Declination 11.85° 11.95° 12.04°
Moon 8:44 AM MDT   11:09 PM MDT
Length of Visible Light 14h 18m
Length of Day
13h 24m
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