Heure à Bletchley
07:53:10
Lever du soleil: 05:18:15 
Coucher de soleil: 20:40:3214:53:10
09:53:10
03:53:10
12:23:10
00:53:10
14:53:10
11:53:10
14:53:10
14:53:10
12:23:10
09:53:10
14:53:10
12:53:10
15:53:10
03:53:10
Décalage horaire entre Bletchley et les grandes villes
+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