Hongch’ŏn時間
06:39:27
日出: 06:57:21 
日落: 18:23:3005:39:27
00:39:27
18:39:27
03:09:27
15:39:27
05:39:27
02:39:27
05:39:27
05:39:27
03:09:27
00:39:27
05:39:27
03:39:27
06:39:27
18:39:27
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