Hongch’ŏn時間
23:02:05
日出: 07:41:41 
日落: 17:35:0922:02:05
17:02:05
11:02:05
19:32:05
08:02:05
22:02:05
19:02:05
22:02:05
22:02:05
19:32:05
17:02:05
22:02:05
20:02:05
23:02:05
11:02:05
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