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Astronomy

Sep. 18, 2019 Rise Solar Noon Set
Actual Time 6:46 AM MDT 12:56 PM MDT 7:05 PM MDT
Civil Twilight 6:20 AM MDT   7:31 PM MDT
Nautical Twilight 5:50 AM MDT   8:02 PM MDT
Astronomical Twilight 5:19 AM MDT   8:33 PM MDT
Altitude -0.8° 54.8° -0.8°
Azimuth 87.0° 180.0° 272.7°
Hour Angle of the Sun 92.4° 92.4° -92.3°
Mean Anomaly of the Sun 253.88° 254.14° 254.39°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 175.71° 175.94° 176.17°
Sun Declination 1.86° 1.76° 1.66°
Moon 9:47 PM MDT   10:47 AM MDT
Length of Visible Light 13h 10m
Length of Day
12h 18m
Waning Gibbous, 81% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full