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Astronomy

Oct. 21, 2017 Rise Solar Noon Set
Actual Time 6:03 AM JST 11:36 AM JST 5:09 PM JST
Civil Twilight 5:37 AM JST   5:35 PM JST
Nautical Twilight 5:07 AM JST   6:05 PM JST
Astronomical Twilight 4:38 AM JST   6:34 PM JST
Altitude -0.8° 44.1° -0.8°
Azimuth 102.5° 180.0° 257.3°
Hour Angle of the Sun 83.4° 83.4° -83.3°
Mean Anomaly of the Sun 286.27° 286.50° 286.73°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -154.32° -154.10° -153.88°
Sun Declination -10.64° -10.72° -10.80°
Moon 7:03 AM JST   6:19 PM JST
Length of Visible Light 11h 58m
Length of Day
11h 06m
Waxing Crescent, 3% of the Moon is Illuminated
Oct 21
Waxing Crescent
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New