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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 6:47 AM PST 11:44 AM PST 4:40 PM PST
Civil Twilight 6:20 AM PST   5:08 PM PST
Nautical Twilight 5:48 AM PST   5:40 PM PST
Astronomical Twilight 5:18 AM PST   6:10 PM PST
Altitude -0.8° 32.5° -0.8°
Azimuth 117.9° 180.0° 242.1°
Hour Angle of the Sun 74.1° 74.1° -74.1°
Mean Anomaly of the Sun 340.70° 340.90° 341.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.27° -97.04° -96.81°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:26 PM PST   9:56 AM PST
Length of Visible Light 10h 48m
Length of Day
9h 53m
Waning Gibbous, 85% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full