Hongch’ŏn時間
21:55:03
日出: 07:04:15 
日落: 18:18:2820:55:03
15:55:03
09:55:03
18:25:03
06:55:03
20:55:03
17:55:03
20:55:03
20:55:03
18:25:03
15:55:03
20:55:03
18:55:03
21:55:03
09:55:03
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