Hongch’ŏn時間
07:41:10
日出: 06:57:21 
日落: 18:23:3006:41:10
01:41:10
19:41:10
04:11:10
16:41:10
06:41:10
03:41:10
06:41:10
06:41:10
04:11:10
01:41:10
06:41:10
04:41:10
07:41:10
19:41:10
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