Hongch’ŏn時間
09:03:17
日出: 05:06:43 
日落: 19:47:5608:03:17
03:03:17
21:03:17
05:33:17
18:03:17
08:03:17
05:03:17
08:03:17
08:03:17
05:33:17
03:03:17
08:03:17
06:03:17
09:03:17
21:03:17
Hongch’ŏn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