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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 6:41 AM PST 11:38 AM PST 4:35 PM PST
Civil Twilight 6:13 AM PST   5:03 PM PST
Nautical Twilight 5:42 AM PST   5:34 PM PST
Astronomical Twilight 5:11 AM PST   6:05 PM PST
Altitude -0.8° 32.7° -0.8°
Azimuth 117.7° 180.0° 242.2°
Hour Angle of the Sun 74.3° 74.3° -74.3°
Mean Anomaly of the Sun 338.72° 338.93° 339.13°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.49° -99.26° -99.03°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:13 PM PST   8:03 AM PST
Length of Visible Light 10h 49m
Length of Day
9h 54m
Full, 99% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full