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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 5:52 AM KST 12:35 PM KST 7:17 PM KST
Civil Twilight 5:25 AM KST   7:44 PM KST
Nautical Twilight 4:52 AM KST   8:17 PM KST
Astronomical Twilight 4:17 AM KST   8:51 PM KST
Altitude -0.8° 64.5° -0.8°
Azimuth 73.9° 180.0° 285.8°
Hour Angle of the Sun 100.6° 100.6° -100.5°
Mean Anomaly of the Sun 226.15° 226.42° 226.70°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 150.19° 150.45° 150.71°
Sun Declination 12.16° 12.07° 11.97°
Moon 4:57 AM KST (8/21)   6:59 PM KST (8/21)
Length of Visible Light 14h 19m
Length of Day
13h 24m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter