Hongch’ŏnの時間
06:58:30
日の出: 07:43:53 
日没: 17:24:2405:58:30
00:58:30
18:58:30
03:28:30
15:58:30
05:58:30
02:58:30
05:58:30
05:58:30
03:28:30
00:58:30
05:58:30
03:58:30
06:58:30
18:58:30
Hongch’ŏnと主要都市の時差
+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