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Astronomy

Dec. 12, 2019 Rise Solar Noon Set
Actual Time 6:57 AM MST 11:44 AM MST 4:31 PM MST
Civil Twilight 6:28 AM MST   5:00 PM MST
Nautical Twilight 5:55 AM MST   5:33 PM MST
Astronomical Twilight 5:23 AM MST   6:05 PM MST
Altitude -0.8° 28.8° -0.8°
Azimuth 119.1° 180.0° 240.8°
Hour Angle of the Sun 71.7° 71.7° -71.6°
Mean Anomaly of the Sun 337.71° 337.90° 338.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.62° -100.40° -100.18°
Sun Declination -23.08° -23.09° -23.11°
Moon 5:10 PM MST   7:18 AM MST
Length of Visible Light 10h 32m
Length of Day
9h 33m
Full, 100% of the Moon is Illuminated
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full