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Astronomy

Dec. 11, 2019 Rise Solar Noon Set
Actual Time 8:01 AM MST 12:32 PM MST 5:03 PM MST
Civil Twilight 7:28 AM MST   5:35 PM MST
Nautical Twilight 6:52 AM MST   6:11 PM MST
Astronomical Twilight 6:18 AM MST   6:46 PM MST
Altitude -0.8° 23.6° -0.8°
Azimuth 121.6° 180.0° 238.4°
Hour Angle of the Sun 67.7° 67.7° -67.7°
Mean Anomaly of the Sun 336.77° 336.95° 337.14°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.67° -101.47° -101.26°
Sun Declination -23.00° -23.02° -23.03°
Moon 4:57 PM MST   7:19 AM MST
Length of Visible Light 10h 06m
Length of Day
9h 01m
Full, 100% of the Moon is Illuminated
Dec 11
Full
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter