Hongch’ŏn時間
22:39:53
日出: 07:00:09 
日落: 18:21:3021:39:53
16:39:53
10:39:53
19:09:53
07:39:53
21:39:53
18:39:53
21:39:53
21:39:53
19:09:53
16:39:53
21:39:53
19:39:53
22:39:53
10:39:53
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