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Astronomy

Apr. 20, 2018 Rise Solar Noon Set
Actual Time 6:21 AM MDT 1:01 PM MDT 7:41 PM MDT
Civil Twilight 5:54 AM MDT   8:08 PM MDT
Nautical Twilight 5:22 AM MDT   8:40 PM MDT
Astronomical Twilight 4:48 AM MDT   9:14 PM MDT
Altitude -0.8° 64.9° -0.8°
Azimuth 74.8° 180.0° 285.4°
Hour Angle of the Sun 99.9° 100.0° -100.1°
Mean Anomaly of the Sun 105.30° 105.57° 105.84°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 28.27° 28.53° 28.79°
Sun Declination 11.60° 11.70° 11.79°
Moon 10:09 AM MDT   No Moon Set
Length of Visible Light 14h 13m
Length of Day
13h 19m
Waxing Crescent, 22% of the Moon is Illuminated
Apr 20
Waxing Crescent
Apr 22
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New