Heure à Hongch’ŏn
08:20:10
Lever du soleil: 07:05:36 
Coucher de soleil: 18:17:2707:20:10
02:20:10
20:20:10
04:50:10
17:20:10
07:20:10
04:20:10
07:20:10
07:20:10
04:50:10
02:20:10
07:20:10
05:20:10
08:20:10
20:20:10
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