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Astronomy

Sep. 18, 2019 Rise Solar Noon Set
Actual Time 6:50 AM MDT 1:01 PM MDT 7:11 PM MDT
Civil Twilight 6:22 AM MDT   7:39 PM MDT
Nautical Twilight 5:50 AM MDT   8:11 PM MDT
Astronomical Twilight 5:17 AM MDT   8:44 PM MDT
Altitude -0.8° 50.5° -0.8°
Azimuth 86.8° 180.0° 272.9°
Hour Angle of the Sun 92.7° 92.6° -92.6°
Mean Anomaly of the Sun 253.89° 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 9:44 PM MDT (9/18)   10:58 AM MDT (9/18)
Length of Visible Light 13h 16m
Length of Day
12h 21m
Waning Gibbous, 79% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full