Hongch’ŏn時間
16:05:37
日出: 06:55:38 
日落: 17:28:2215:05:37
10:05:37
04:05:37
12:35:37
01:05:37
15:05:37
12:05:37
15:05:37
15:05:37
12:35:37
10:05:37
15:05:37
13:05:37
16:05:37
04:05:37
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