Heure à Hongch’ŏn
03:09:40
Lever du soleil: 07:05:36 
Coucher de soleil: 18:17:2702:09:40
21:09:40
15:09:40
23:39:40
12:09:40
02:09:40
23:09:40
02:09:40
02:09:40
23:39:40
21:09:40
02:09:40
00:09:40
03:09:40
15:09:40
Décalage horaire entre Hongch’ŏn 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
-9
-9
-9
-12
-12
-12
-12