Koch'ang 시간
21:25:20
해돋이: 07:40:44 
일몰: 17:46:1420:25:20
15:25:20
09:25:20
17:55:20
06:25:20
20:25:20
17:25:20
20:25:20
20:25:20
17:55:20
15:25:20
20:25:20
18:25:20
21:25:20
09:25:20
Koch'ang와 주요 도시 간의 시차
+2
+2
+0
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-3
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-3
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-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12