Czas Bletchley
18:56:30
Wschód słońca: 07:28:13 
Zachód słońca: 18:09:0501:56:30
20:56:30
14:56:30
23:26:30
11:56:30
01:56:30
22:56:30
01:56:30
01:56:30
23:26:30
20:56:30
01:56:30
23:56:30
02:56:30
14:56:30
Różnica czasu między Bletchley a większymi miastami
+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
-4
-5
-5
-6
-6
-7
-8