Heure à Hertford
05:56:38
Lever du soleil: 07:55:15 
Coucher de soleil: 16:27:2313:56:38
08:56:38
02:56:38
11:26:38
23:56:38
13:56:38
10:56:38
13:56:38
13:56:38
11:26:38
08:56:38
13:56:38
11:56:38
14:56:38
02:56:38
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