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Astronomy

Sep. 17, 2019 Rise Solar Noon Set
Actual Time 6:42 AM MDT 12:52 PM MDT 7:01 PM MDT
Civil Twilight 6:17 AM MDT   7:25 PM MDT
Nautical Twilight 5:48 AM MDT   7:54 PM MDT
Astronomical Twilight 5:19 AM MDT   8:24 PM MDT
Altitude -0.8° 59.3° -0.8°
Azimuth 86.8° 180.0° 273.0°
Hour Angle of the Sun 92.4° 92.4° -92.3°
Mean Anomaly of the Sun 252.89° 253.15° 253.40°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 174.81° 175.04° 175.27°
Sun Declination 2.25° 2.15° 2.05°
Moon 9:15 PM MDT (9/17)   9:40 AM MDT (9/17)
Length of Visible Light 13h 08m
Length of Day
12h 18m
Waning Gibbous, 86% of the Moon is Illuminated
Sep 17
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full