Changyŏn時間
01:29:30
日出: 05:20:19 
日落: 19:53:1100:29:30
19:29:30
13:29:30
21:59:30
10:29:30
00:29:30
21:29:30
00:29:30
00:29:30
21:59:30
19:29:30
00:29:30
22:29:30
01:29:30
13:29:30
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
-3
-3
-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12