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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:29 AM PST 12:21 PM PST 5:12 PM PST
Civil Twilight 6:59 AM PST   5:42 PM PST
Nautical Twilight 6:26 AM PST   6:16 PM PST
Astronomical Twilight 5:53 AM PST   6:49 PM PST
Altitude -0.8° 28.9° -0.8°
Azimuth 116.0° 180.0° 244.1°
Hour Angle of the Sun 72.8° 72.8° -72.9°
Mean Anomaly of the Sun 17.96° 18.16° 18.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -55.96° -55.75° -55.54°
Sun Declination -19.76° -19.71° -19.67°
Moon 1:57 AM PST (1/21)   12:42 PM PST (1/21)
Length of Visible Light 10h 42m
Length of Day
9h 42m
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