Hongch’ŏn時間
22:28:22
日出: 07:39:53 
日落: 17:39:2421:28:22
16:28:22
10:28:22
18:58:22
07:28:22
21:28:22
18:28:22
21:28:22
21:28:22
18:58:22
16:28:22
21:28:22
19:28:22
22:28:22
10:28:22
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