Hongch’ŏn時間
23:08:10
日出: 07:01:32 
日落: 18:20:3022:08:10
17:08:10
11:08:10
19:38:10
08:08:10
22:08:10
19:08:10
22:08:10
22:08:10
19:38:10
17:08:10
22:08:10
20:08:10
23:08:10
11:08:10
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