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Astronomy

Apr. 20, 2018 Rise Solar Noon Set
Actual Time 5:23 AM KST 12:05 PM KST 6:48 PM KST
Civil Twilight 4:56 AM KST   7:16 PM KST
Nautical Twilight 4:22 AM KST   7:50 PM KST
Astronomical Twilight 3:47 AM KST   8:25 PM KST
Altitude -0.8° 62.4° -0.8°
Azimuth 74.6° 180.0° 285.7°
Hour Angle of the Sun 100.5° 100.6° -100.7°
Mean Anomaly of the Sun 104.66° 104.94° 105.21°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 27.67° 27.93° 28.19°
Sun Declination 11.38° 11.48° 11.57°
Moon 8:33 AM KST   11:21 PM KST
Length of Visible Light 14h 20m
Length of Day
13h 24m
Waxing Crescent, 22% of the Moon is Illuminated
Apr 20
Waxing Crescent
Apr 22
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New