Hongch’ŏn時間
02:51:43
日出: 07:41:41 
日落: 17:35:0901:51:43
20:51:43
14:51:43
23:21:43
11:51:43
01:51:43
22:51:43
01:51:43
01:51:43
23:21:43
20:51:43
01:51:43
23:51:43
02:51:43
14:51:43
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