Heure à Hertford
00:30:09
Lever du soleil: 06:32:06 
Coucher de soleil: 17:50:3008:30:09
03:30:09
21:30:09
06:00:09
18:30:09
08:30:09
05:30:09
08:30:09
08:30:09
06:00:09
03:30:09
08:30:09
06:30:09
09:30:09
21:30:09
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