Hongch’ŏn時間
11:54:41
日出: 06:06:16 
日落: 18:55:3010:54:41
05:54:41
23:54:41
08:24:41
20:54:41
10:54:41
07:54:41
10:54:41
10:54:41
08:24:41
05:54:41
10:54:41
08:54:41
11:54:41
23:54:41
Hongch’ŏn與主要城市的時差
11:54:41
-13
22:54:41
+1
+1
+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
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12
-12