Hora en Harpenden
18:00:40
Amanecer: 07:30:21 
Atardecer: 17:00:4102:00:40
21:00:40
15:00:40
23:30:40
12:00:40
02:00:40
23:00:40
02:00:40
02:00:40
23:30:40
21:00:40
02:00:40
00:00:40
03:00:40
15:00:40
Diferencia horaria entre Harpenden y las principales ciudades
+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