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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 6:44 AM PST 11:34 AM PST 4:23 PM PST
Civil Twilight 6:15 AM PST   4:52 PM PST
Nautical Twilight 5:42 AM PST   5:25 PM PST
Astronomical Twilight 5:11 AM PST   5:56 PM PST
Altitude -0.8° 29.9° -0.8°
Azimuth 118.7° 180.0° 241.2°
Hour Angle of the Sun 72.5° 72.4° -72.4°
Mean Anomaly of the Sun 338.73° 338.92° 339.12°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.48° -99.26° -99.04°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:01 PM PST (12/13)   8:06 AM PST (12/13)
Length of Visible Light 10h 37m
Length of Day
9h 39m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 14
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full