Heure à Changyŏn
12:00:02
Lever du soleil: 05:31:00 
Coucher de soleil: 19:40:5711:00:02
06:00:02
00:00:02
08:30:02
21:00:02
11:00:02
08:00:02
11:00:02
11:00:02
08:30:02
06:00:02
11:00:02
09:00:02
12:00:02
00:00:02
Décalage horaire entre Changyŏn et les grandes villes
+1
+1
+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
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12