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Astronomy

Aug. 18, 2017 Rise Solar Noon Set
Actual Time 5:13 AM JST 11:56 AM JST 6:37 PM JST
Civil Twilight 4:47 AM JST   7:04 PM JST
Nautical Twilight 4:15 AM JST   7:36 PM JST
Astronomical Twilight 3:41 AM JST   8:09 PM JST
Altitude -0.8° 67.9° -0.8°
Azimuth 73.2° 180.0° 286.6°
Hour Angle of the Sun 100.5° 100.5° -100.4°
Mean Anomaly of the Sun 223.16° 223.44° 223.71°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.38° 147.64° 147.90°
Sun Declination 13.15° 13.06° 12.97°
Moon 1:11 AM JST (8/18)   3:38 PM JST (8/18)
Length of Visible Light 14h 16m
Length of Day
13h 23m
Waning Crescent, 19% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter