Hongch’ŏn時間
22:25:18
日出: 06:58:45 
日落: 18:22:3021:25:18
16:25:18
10:25:18
18:55:18
07:25:18
21:25:18
18:25:18
21:25:18
21:25:18
18:55:18
16:25:18
21:25:18
19:25:18
22:25:18
10:25:18
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