Heure à Hertford
18:37:59
Lever du soleil: 07:54:08 
Coucher de soleil: 16:29:0402:37:59
21:37:59
15:37:59
00:07:59
12:37:59
02:37:59
23:37:59
02:37:59
02:37:59
00:07:59
21:37:59
02:37:59
00:37:59
03:37:59
15:37:59
Décalage horaire entre Hertford 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
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8