Hongch’ŏn時間
19:48:58
日出: 07:41:41 
日落: 17:35:0918:48:58
13:48:58
07:48:58
16:18:58
04:48:58
18:48:58
15:48:58
18:48:58
18:48:58
16:18:58
13:48:58
18:48:58
16:48:58
19:48:58
07:48:58
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