Hongch’ŏn時間
21:46:23
日出: 07:41:41 
日落: 17:35:0920:46:23
15:46:23
09:46:23
18:16:23
06:46:23
20:46:23
17:46:23
20:46:23
20:46:23
18:16:23
15:46:23
20:46:23
18:46:23
21:46:23
09:46:23
Hongch’ŏn與主要城市的時差
+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
-3
-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12