Hongch’ŏn時間
16:50:36
日出: 07:41:17 
日落: 17:36:1215:50:36
10:50:36
04:50:36
13:20:36
01:50:36
15:50:36
12:50:36
15:50:36
15:50:36
13:20:36
10:50:36
15:50:36
13:50:36
16:50:36
04:50:36
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