Hongch’ŏn時間
02:19:47
日出: 07:40:51 
日落: 17:37:1501:19:47
20:19:47
14:19:47
22:49:47
11:19:47
01:19:47
22:19:47
01:19:47
01:19:47
22:49:47
20:19:47
01:19:47
23:19:47
02:19:47
14:19:47
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