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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:38 AM PST 11:59 AM PST 4:21 PM PST
Civil Twilight 7:03 AM PST   4:55 PM PST
Nautical Twilight 6:26 AM PST   5:33 PM PST
Astronomical Twilight 5:50 AM PST   6:09 PM PST
Altitude -0.8° 21.1° -0.8°
Azimuth 123.4° 180.0° 236.6°
Hour Angle of the Sun 65.4° 65.4° -65.3°
Mean Anomaly of the Sun 340.73° 340.91° 341.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.23° -97.03° -96.83°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:12 PM PST   10:44 AM PST
Length of Visible Light 9h 51m
Length of Day
8h 43m
Waning Gibbous, 86% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full