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Astronomy

Sep. 17, 2019 Rise Solar Noon Set
Actual Time 6:57 AM MDT 1:08 PM MDT 7:19 PM MDT
Civil Twilight 6:30 AM MDT   7:46 PM MDT
Nautical Twilight 5:58 AM MDT   8:17 PM MDT
Astronomical Twilight 5:26 AM MDT   8:49 PM MDT
Altitude -0.8° 53.1° -0.8°
Azimuth 86.4° 180.0° 273.3°
Hour Angle of the Sun 92.9° 92.8° -92.7°
Mean Anomaly of the Sun 252.90° 253.16° 253.41°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 174.82° 175.05° 175.28°
Sun Declination 2.24° 2.14° 2.04°
Moon 9:25 PM MDT (9/17)   10:03 AM MDT (9/17)
Length of Visible Light 13h 15m
Length of Day
12h 22m
Waning Gibbous, 87% of the Moon is Illuminated
Sep 17
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full