Heure à Koesan
00:55:40
Lever du soleil: 07:38:13 
Coucher de soleil: 17:41:4823:55:40
18:55:40
12:55:40
21:25:40
09:55:40
23:55:40
20:55:40
23:55:40
23:55:40
21:25:40
18:55:40
23:55:40
21:55:40
00:55:40
12:55:40
Décalage horaire entre Koesan et les grandes villes
+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