Hongch’ŏn時間
04:19:00
日出: 07:02:54 
日落: 18:19:2903:19:00
22:19:00
16:19:00
00:49:00
13:19:00
03:19:00
00:19:00
03:19:00
03:19:00
00:49:00
22:19:00
03:19:00
01:19:00
04:19:00
16:19:00
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