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Astronomy

Dec. 12, 2019 Rise Solar Noon Set
Actual Time 6:43 AM PST 11:43 AM PST 4:42 PM PST
Civil Twilight 6:15 AM PST   5:10 PM PST
Nautical Twilight 5:44 AM PST   5:40 PM PST
Astronomical Twilight 5:14 AM PST   6:11 PM PST
Altitude -0.8° 33.7° -0.8°
Azimuth 117.3° 180.0° 242.6°
Hour Angle of the Sun 74.9° 74.9° -74.9°
Mean Anomaly of the Sun 337.74° 337.94° 338.15°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.59° -100.36° -100.13°
Sun Declination -23.08° -23.09° -23.11°
Moon 5:24 PM PST (12/12)   7:05 AM PST (12/12)
Length of Visible Light 10h 54m
Length of Day
9h 59m
Full, 99% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full