Bletchley時間
17:18:45
日出: 08:01:49 
日落: 16:24:1201:18:45
20:18:45
14:18:45
22:48:45
11:18:45
01:18:45
22:18:45
01:18:45
01:18:45
22:48:45
20:18:45
01:18:45
23:18:45
02:18:45
14:18:45
Bletchley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