Hongch’ŏn時間
14:20:54
日出: 07:02:54 
日落: 18:19:2913:20:54
08:20:54
02:20:54
10:50:54
23:20:54
13:20:54
10:20:54
13:20:54
13:20:54
10:50:54
08:20:54
13:20:54
11:20:54
14:20:54
02:20:54
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