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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 6:58 AM MST 11:44 AM MST 4:31 PM MST
Civil Twilight 6:28 AM MST   5:01 PM MST
Nautical Twilight 5:55 AM MST   5:34 PM MST
Astronomical Twilight 5:23 AM MST   6:06 PM MST
Altitude -0.8° 28.8° -0.8°
Azimuth 119.2° 180.0° 240.8°
Hour Angle of the Sun 71.7° 71.6° -71.6°
Mean Anomaly of the Sun 338.69° 338.89° 339.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.52° -99.30° -99.08°
Sun Declination -23.15° -23.16° -23.17°
Moon 6:06 PM MST   8:18 AM MST
Length of Visible Light 10h 32m
Length of Day
9h 33m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full