Hongch’ŏn時間
19:31:37
日出: 07:00:09 
日落: 18:21:3018:31:37
13:31:37
07:31:37
16:01:37
04:31:37
18:31:37
15:31:37
18:31:37
18:31:37
16:01:37
13:31:37
18:31:37
16:31:37
19:31:37
07:31:37
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