Hongch’ŏn時間
20:13:46
日出: 07:04:15 
日落: 18:18:2819:13:46
14:13:46
08:13:46
16:43:46
05:13:46
19:13:46
16:13:46
19:13:46
19:13:46
16:43:46
14:13:46
19:13:46
17:13:46
20:13:46
08:13:46
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