Heure à Harpenden
21:45:17
Lever du soleil: 06:59:20 
Coucher de soleil: 17:30:0905:45:17
00:45:17
18:45:17
03:15:17
15:45:17
05:45:17
02:45:17
05:45:17
05:45:17
03:15:17
00:45:17
05:45:17
03:45:17
06:45:17
18:45:17
Décalage horaire entre Harpenden et les grandes villes
+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
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8