Heure à Hertford
05:41:30
Lever du soleil: 06:45:21 
Coucher de soleil: 17:39:5213:41:30
08:41:30
02:41:30
11:11:30
23:41:30
13:41:30
10:41:30
13:41:30
13:41:30
11:11:30
08:41:30
13:41:30
11:41:30
14:41:30
02:41:30
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
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8