Hongch’ŏn時間
02:45:09
日出: 06:33:51 
日落: 17:56:0401:45:09
20:45:09
14:45:09
23:15:09
11:45:09
01:45:09
22:45:09
01:45:09
01:45:09
23:15:09
20:45:09
01:45:09
23:45:09
02:45:09
14:45:09
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
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12
-12