Hongch’ŏn時間
17:05:50
日出: 07:42:04 
日落: 17:34:0616:05:50
11:05:50
05:05:50
13:35:50
02:05:50
16:05:50
13:05:50
16:05:50
16:05:50
13:35:50
11:05:50
16:05:50
14:05:50
17:05:50
05:05:50
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