Hongch’ŏn時間
19:30:39
日出: 07:42:04 
日落: 17:34:0618:30:39
13:30:39
07:30:39
16:00:39
04:30:39
18:30:39
15:30:39
18:30:39
18:30:39
16:00:39
13:30:39
18:30:39
16:30:39
19:30:39
07:30:39
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
-8
-9
-9
-12
-12
-12
-12