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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:33 AM PST 12:12 PM PST 4:50 PM PST
Civil Twilight 7:02 AM PST   5:21 PM PST
Nautical Twilight 6:28 AM PST   5:56 PM PST
Astronomical Twilight 5:54 AM PST   6:29 PM PST
Altitude -0.8° 26.1° -0.8°
Azimuth 120.5° 180.0° 239.5°
Hour Angle of the Sun 69.7° 69.7° -69.6°
Mean Anomaly of the Sun 340.73° 340.92° 341.11°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.24° -97.02° -96.81°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:39 PM PST (12/15)   10:41 AM PST (12/15)
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waning Gibbous, 82% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full