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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 6:51 AM PST 11:46 AM PST 4:41 PM PST
Civil Twilight 6:23 AM PST   5:09 PM PST
Nautical Twilight 5:52 AM PST   5:40 PM PST
Astronomical Twilight 5:21 AM PST   6:11 PM PST
Altitude -0.8° 31.7° -0.8°
Azimuth 118.2° 180.0° 241.8°
Hour Angle of the Sun 73.6° 73.6° -73.6°
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   10:00 AM PST
Length of Visible Light 10h 45m
Length of Day
9h 49m
Waning Gibbous, 84% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full