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Astronomy

Dec. 12, 2019 Rise Solar Noon Set
Actual Time 7:36 AM MST 11:52 AM MST 4:09 PM MST
Civil Twilight 7:00 AM MST   4:44 PM MST
Nautical Twilight 6:21 AM MST   5:23 PM MST
Astronomical Twilight 5:44 AM MST   6:00 PM MST
Altitude -0.8° 19.8° -0.8°
Azimuth 124.1° 180.0° 235.9°
Hour Angle of the Sun 64.2° 64.1° -64.1°
Mean Anomaly of the Sun 337.73° 337.91° 338.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.59° -100.40° -100.20°
Sun Declination -23.08° -23.09° -23.11°
Moon 4:48 PM MST   7:57 AM MST
Length of Visible Light 9h 44m
Length of Day
8h 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