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Astronomy

Apr. 23, 2018 Rise Solar Noon Set
Actual Time 4:41 AM JST 11:33 AM JST 6:25 PM JST
Civil Twilight 4:10 AM JST   6:56 PM JST
Nautical Twilight 3:34 AM JST   7:33 PM JST
Astronomical Twilight 2:54 AM JST   8:12 PM JST
Altitude -0.8° 59.4° -0.8°
Azimuth 72.1° 180.0° 288.1°
Hour Angle of the Sun 103.0° 103.1° -103.2°
Mean Anomaly of the Sun 107.57° 107.85° 108.13°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 30.43° 30.69° 30.96°
Sun Declination 12.38° 12.48° 12.57°
Moon 10:47 AM JST   12:51 AM JST
Length of Visible Light 14h 45m
Length of Day
13h 44m
First Quarter, 55% of the Moon is Illuminated
Apr 23
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New
May 21
First Quarter