Hongch’ŏn時間
05:53:40
日出: 06:51:17 
日落: 18:27:4004:53:40
23:53:40
17:53:40
02:23:40
14:53:40
04:53:40
01:53:40
04:53:40
04:53:40
02:23:40
23:53:40
04:53:40
02:53:40
05:53:40
17:53:40
Hongch’ŏn與主要城市的時差
05:53:40
-14
15:53:40
+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