Hongch’ŏn時間
21:32:09
日出: 07:41:41 
日落: 17:35:0920:32:09
15:32:09
09:32:09
18:02:09
06:32:09
20:32:09
17:32:09
20:32:09
20:32:09
18:02:09
15:32:09
20:32:09
18:32:09
21:32:09
09:32:09
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