Czas Onsŏng
00:39:02
Wschód słońca: 07:48:20 
Zachód słońca: 17:10:1623:39:02
18:39:02
12:39:02
21:09:02
09:39:02
23:39:02
20:39:02
23:39:02
23:39:02
21:09:02
18:39:02
23:39:02
21:39:02
00:39:02
12:39:02
Różnica czasu między Onsŏng 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