Ώρα Bletchley
21:01:50
Ανατολή ηλίου: 05:19:58 
Η δυση του ηλιου: 20:38:5504:01:51
23:01:51
17:01:51
01:31:51
14:01:51
04:01:51
01:01:51
04:01:51
04:01:51
01:31:51
23:01:51
04:01:51
02:01:51
05:01:51
17:01:51
Διαφορά ώρας μεταξύ Bletchley και μεγάλων πόλεων
+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