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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:41 AM PST 12:12 PM PST 4:42 PM PST
Civil Twilight 7:07 AM PST   5:17 PM PST
Nautical Twilight 6:28 AM PST   5:56 PM PST
Astronomical Twilight 5:51 AM PST   6:33 PM PST
Altitude -0.8° 21.9° -0.8°
Azimuth 119.5° 180.0° 240.6°
Hour Angle of the Sun 67.6° 67.6° -67.7°
Mean Anomaly of the Sun 17.97° 18.16° 18.34°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -55.95° -55.76° -55.56°
Sun Declination -19.76° -19.71° -19.67°
Moon 2:01 AM PST (1/21)   12:18 PM PST (1/21)
Length of Visible Light 10h 10m
Length of Day
9h 01m
Waning Crescent, 29% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter