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Astronomy

Sep. 23, 2017 Rise Solar Noon Set
Actual Time 5:22 AM JST 11:27 AM JST 5:30 PM JST
Civil Twilight 4:54 AM JST   5:59 PM JST
Nautical Twilight 4:20 AM JST   6:32 PM JST
Astronomical Twilight 3:47 AM JST   7:06 PM JST
Altitude -0.8° 46.8° -0.8°
Azimuth 89.2° 180.0° 270.5°
Hour Angle of the Sun 91.1° 91.0° -91.0°
Mean Anomaly of the Sun 258.65° 258.90° 259.15°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -179.99° -179.76° -179.53°
Sun Declination -0.01° -0.10° -0.20°
Moon 8:06 AM JST   7:19 PM JST
Length of Visible Light 13h 04m
Length of Day
12h 08m
Waxing Crescent, 11% of the Moon is Illuminated
Sep 23
Waxing Crescent
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New