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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:24 AM MST 12:12 PM MST 4:59 PM MST
Civil Twilight 6:54 AM MST   5:29 PM MST
Nautical Twilight 6:22 AM MST   6:02 PM MST
Astronomical Twilight 5:50 AM MST   6:33 PM MST
Altitude -0.8° 29.2° -0.8°
Azimuth 119.0° 180.0° 240.9°
Hour Angle of the Sun 72.0° 72.0° -71.9°
Mean Anomaly of the Sun 338.71° 338.91° 339.11°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.50° -99.28° -99.06°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:36 PM MST   8:45 AM MST
Length of Visible Light 10h 34m
Length of Day
9h 35m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full