Hongch’ŏn時間
18:52:50
日出: 07:42:04 
日落: 17:34:0617:52:50
12:52:50
06:52:50
15:22:50
03:52:50
17:52:50
14:52:50
17:52:50
17:52:50
15:22:50
12:52:50
17:52:50
15:52:50
18:52:50
06:52:50
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