Hongch’ŏn時間
15:30:39
日出: 07:41:41 
日落: 17:35:0914:30:39
09:30:39
03:30:39
12:00:39
00:30:39
14:30:39
11:30:39
14:30:39
14:30:39
12:00:39
09:30:39
14:30:39
12:30:39
15:30:39
03:30:39
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