Hongch’ŏn時間
22:21:14
日出: 07:41:17 
日落: 17:36:1221:21:14
16:21:14
10:21:14
18:51:14
07:21:14
21:21:14
18:21:14
21:21:14
21:21:14
18:51:14
16:21:14
21:21:14
19:21:14
22:21:14
10:21:14
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