Hongch’ŏn時間
15:12:12
日出: 07:41:41 
日落: 17:35:0914:12:12
09:12:12
03:12:12
11:42:12
00:12:12
14:12:12
11:12:12
14:12:12
14:12:12
11:42:12
09:12:12
14:12:12
12:12:12
15:12:12
03:12:12
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