Derry時間
23:52:33
日出: 08:39:17 
日落: 16:02:1807:52:33
02:52:33
20:52:33
05:22:33
17:52:33
07:52:33
04:52:33
07:52:33
07:52:33
05:22:33
02:52:33
07:52:33
05:52:33
08:52:33
20:52:33
Derry與主要城市的時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8