Czas Hongch’ŏn
03:50:40
Wschód słońca: 07:43:19 
Zachód słońca: 17:19:2602:50:40
21:50:40
15:50:40
00:20:40
12:50:40
02:50:40
23:50:40
02:50:40
02:50:40
00:20:40
21:50:40
02:50:40
00:50:40
03:50:40
15:50:40
Różnica czasu między Hongch’ŏn a większymi miastami
+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