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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:49 AM PST 12:23 PM PST 4:58 PM PST
Civil Twilight 7:15 AM PST   5:32 PM PST
Nautical Twilight 6:38 AM PST   6:09 PM PST
Astronomical Twilight 6:01 AM PST   6:46 PM PST
Altitude -0.8° 23.1° -0.8°
Azimuth 118.8° 180.0° 241.3°
Hour Angle of the Sun 68.6° 68.6° -68.7°
Mean Anomaly of the Sun 17.98° 18.16° 18.35°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -55.95° -55.75° -55.55°
Sun Declination -19.76° -19.71° -19.67°
Moon 2:10 AM PST   12:33 PM PST
Length of Visible Light 10h 16m
Length of Day
9h 09m
Last Quarter, 36% of the Moon is Illuminated
Jan 21
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter