Hongch’ŏn時間
01:50:29
日出: 07:40:51 
日落: 17:37:1500:50:29
19:50:29
13:50:29
22:20:29
10:50:29
00:50:29
21:50:29
00:50:29
00:50:29
22:20:29
19:50:29
00:50:29
22:50:29
01:50:29
13:50:29
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