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Astronomy

Sep. 19, 2017 Rise Solar Noon Set
Actual Time 7:13 AM MDT 1:23 PM MDT 7:32 PM MDT
Civil Twilight 6:43 AM MDT   8:02 PM MDT
Nautical Twilight 6:08 AM MDT   8:37 PM MDT
Astronomical Twilight 5:32 AM MDT   9:13 PM MDT
Altitude -0.8° 45.2° -0.8°
Azimuth 87.3° 180.0° 272.4°
Hour Angle of the Sun 92.5° 92.4° -92.3°
Mean Anomaly of the Sun 255.40° 255.65° 255.90°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.05° 177.28° 177.51°
Sun Declination 1.28° 1.18° 1.08°
Moon 6:26 AM MDT (9/19)   7:37 PM MDT (9/19)
Length of Visible Light 13h 18m
Length of Day
12h 19m
New Moon, 0% of the Moon is Illuminated
Sep 20
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New