Hongch’ŏn時間
00:37:44
日出: 06:57:21 
日落: 18:23:3023:37:44
18:37:44
12:37:44
21:07:44
09:37:44
23:37:44
20:37:44
23:37:44
23:37:44
21:07:44
18:37:44
23:37:44
21:37:44
00:37:44
12:37:44
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
-9
-9
-9
-12
-12
-12
-12