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Astronomy

Sep. 18, 2019 Rise Solar Noon Set
Actual Time 7:30 AM MDT 1:42 PM MDT 7:53 PM MDT
Civil Twilight 7:02 AM MDT   8:21 PM MDT
Nautical Twilight 6:28 AM MDT   8:55 PM MDT
Astronomical Twilight 5:53 AM MDT   9:30 PM MDT
Altitude -0.8° 48.0° -0.8°
Azimuth 86.6° 180.0° 273.1°
Hour Angle of the Sun 92.9° 92.8° -92.7°
Mean Anomaly of the Sun 253.91° 254.17° 254.42°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 175.73° 175.96° 176.20°
Sun Declination 1.85° 1.75° 1.65°
Moon 10:21 PM MDT (9/18)   11:46 AM MDT (9/18)
Length of Visible Light 13h 19m
Length of Day
12h 22m
Waning Gibbous, 80% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full