Hongch’ŏn時間
20:36:53
日出: 07:04:15 
日落: 18:18:2819:36:53
14:36:53
08:36:53
17:06:53
05:36:53
19:36:53
16:36:53
19:36:53
19:36:53
17:06:53
14:36:53
19:36:53
17:36:53
20:36:53
08:36:53
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