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Astronomy

Aug. 19, 2018 Rise Solar Noon Set
Actual Time 4:44 AM JST 11:38 AM JST 6:31 PM JST
Civil Twilight 4:13 AM JST   7:02 PM JST
Nautical Twilight 3:36 AM JST   7:38 PM JST
Astronomical Twilight 2:56 AM JST   8:18 PM JST
Altitude -0.8° 59.7° -0.8°
Azimuth 71.4° 180.0° 288.4°
Hour Angle of the Sun 103.6° 103.5° -103.4°
Mean Anomaly of the Sun 223.87° 224.15° 224.44°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 148.07° 148.33° 148.60°
Sun Declination 12.91° 12.82° 12.73°
Moon 1:10 PM JST (8/19)   11:13 PM JST (8/19)
Length of Visible Light 14h 48m
Length of Day
13h 47m
First Quarter, 54% of the Moon is Illuminated
Aug 18
First Quarter
Aug 26
Full
Sep 2
Last Quarter
Sep 9
New
Sep 16
First Quarter