Hongch’ŏn時間
17:15:50
日出: 07:39:53 
日落: 17:39:2416:15:50
11:15:50
05:15:50
13:45:50
02:15:50
16:15:50
13:15:50
16:15:50
16:15:50
13:45:50
11:15:50
16:15:50
14:15:50
17:15:50
05:15:50
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