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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:11 AM MST 12:14 PM MST 5:17 PM MST
Civil Twilight 6:44 AM MST   5:44 PM MST
Nautical Twilight 6:13 AM MST   6:14 PM MST
Astronomical Twilight 5:44 AM MST   6:44 PM MST
Altitude -0.8° 35.1° -0.8°
Azimuth 116.9° 180.0° 243.0°
Hour Angle of the Sun 75.8° 75.8° -75.8°
Mean Anomaly of the Sun 338.70° 338.91° 339.12°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.51° -99.28° -99.04°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:54 PM MST   8:32 AM MST
Length of Visible Light 11h 00m
Length of Day
10h 06m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full