Changyŏn時間
20:07:11
日出: 05:22:03 
日落: 19:50:5019:07:11
14:07:11
08:07:11
16:37:11
05:07:11
19:07:11
16:07:11
19:07:11
19:07:11
16:37:11
14:07:11
19:07:11
17:07:11
20:07:11
08:07:11
Changyŏn與主要城市的時差
+1
+1
+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
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-3
-3
-3
-4
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-5
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-8
-8
-8
-8
-8
-8
-9
-12
-12
-12