Czas Onsŏng
08:39:30
Wschód słońca: 07:18:41 
Zachód słońca: 16:52:3907:39:30
02:39:30
20:39:30
05:09:30
17:39:30
07:39:30
04:39:30
07:39:30
07:39:30
05:09:30
02:39:30
07:39:30
05:39:30
08:39:30
20:39:30
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