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Astronomy

Apr. 21, 2018 Rise Solar Noon Set
Actual Time 6:32 AM MDT 1:27 PM MDT 8:22 PM MDT
Civil Twilight 6:01 AM MDT   8:54 PM MDT
Nautical Twilight 5:22 AM MDT   9:33 PM MDT
Astronomical Twilight 4:40 AM MDT   10:15 PM MDT
Altitude -0.8° 56.6° -0.8°
Azimuth 72.0° 180.0° 288.3°
Hour Angle of the Sun 103.6° 103.8° -103.9°
Mean Anomaly of the Sun 106.29° 106.57° 106.86°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 29.21° 29.48° 29.75°
Sun Declination 11.94° 12.04° 12.14°
Moon 11:10 AM MDT   1:42 AM MDT
Length of Visible Light 14h 53m
Length of Day
13h 49m
Waxing Crescent, 37% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 22
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New