Czas Koch'ang
17:05:25
Wschód słońca: 05:18:25 
Zachód słońca: 19:44:3916:05:25
11:05:25
05:05:25
13:35:25
02:05:25
16:05:25
13:05:25
16:05:25
16:05:25
13:35:25
11:05:25
16:05:25
14:05:25
17:05:25
05:05:25
Różnica czasu między Koch'ang a większymi miastami
+1
+1
+0
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-1
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-1
-1
-1
-1
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-1
-1
-1
-1
-1
-1
-1
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-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
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-2
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-2
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-5
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-6
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-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12