Hongch’ŏn時間
14:51:41
日出: 07:41:41 
日落: 17:35:0913:51:41
08:51:41
02:51:41
11:21:41
23:51:41
13:51:41
10:51:41
13:51:41
13:51:41
11:21:41
08:51:41
13:51:41
11:51:41
14:51:41
02:51:41
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