Hongch’ŏn時間
23:51:19
日出: 07:42:04 
日落: 17:34:0622:51:19
17:51:19
11:51:19
20:21:19
08:51:19
22:51:19
19:51:19
22:51:19
22:51:19
20:21:19
17:51:19
22:51:19
20:51:19
23:51:19
11:51:19
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