Heure à Derry
16:00:00
Lever du soleil: 05:29:12 
Coucher de soleil: 21:22:0323:00:00
18:00:00
12:00:00
20:30:00
09:00:00
23:00:00
20:00:00
23:00:00
23:00:00
20:30:00
18:00:00
23:00:00
21:00:00
00:00:00
12:00:00
Décalage horaire entre Derry et les grandes villes
16:00:00
-5
11:00:00
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
-1
-4
-4
-4
-5
-5
-5
-6
-6
-7
-8