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Astronomy

Dec. 16, 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   5:55 PM PST
Astronomical Twilight 5:55 AM PST   6:29 PM PST
Altitude -0.8° 26.1° -0.8°
Azimuth 120.6° 180.0° 239.4°
Hour Angle of the Sun 69.6° 69.6° -69.6°
Mean Anomaly of the Sun 341.72° 341.91° 342.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.13° -95.91° -95.70°
Sun Declination -23.32° -23.32° -23.33°
Moon 9:50 PM PST   11:22 AM PST
Length of Visible Light 10h 18m
Length of Day
9h 17m
Waning Gibbous, 79% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full