Hongch’ŏn時間
14:58:52
日出: 07:41:41 
日落: 17:35:0913:58:52
08:58:52
02:58:52
11:28:52
23:58:52
13:58:52
10:58:52
13:58:52
13:58:52
11:28:52
08:58:52
13:58:52
11:58:52
14:58:52
02:58:52
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