Heure à Hertford
23:38:45
Lever du soleil: 06:38:46 
Coucher de soleil: 17:45:1307:38:45
02:38:45
20:38:45
05:08:45
17:38:45
07:38:45
04:38:45
07:38:45
07:38:45
05:08:45
02:38:45
07:38:45
05:38:45
08:38:45
20:38:45
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