Hongch’ŏn時間
21:16:29
日出: 07:00:09 
日落: 18:21:3020:16:29
15:16:29
09:16:29
17:46:29
06:16:29
20:16:29
17:16:29
20:16:29
20:16:29
17:46:29
15:16:29
20:16:29
18:16:29
21:16:29
09:16:29
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