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Astronomy

Sep. 18, 2019 Rise Solar Noon Set
Actual Time 6:32 AM MDT 12:42 PM MDT 6:52 PM MDT
Civil Twilight 6:06 AM MDT   7:18 PM MDT
Nautical Twilight 5:35 AM MDT   7:49 PM MDT
Astronomical Twilight 5:03 AM MDT   8:20 PM MDT
Altitude -0.8° 53.7° -0.8°
Azimuth 87.0° 180.0° 272.8°
Hour Angle of the Sun 92.5° 92.4° -92.4°
Mean Anomaly of the Sun 253.87° 254.13° 254.38°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 175.70° 175.93° 176.16°
Sun Declination 1.86° 1.76° 1.66°
Moon 9:31 PM MDT   10:34 AM MDT
Length of Visible Light 13h 12m
Length of Day
12h 19m
Waning Gibbous, 85% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full