Heure à Hertford
22:51:05
Lever du soleil: 06:34:20 
Coucher de soleil: 17:48:4506:51:05
01:51:05
19:51:05
04:21:05
16:51:05
06:51:05
03:51:05
06:51:05
06:51:05
04:21:05
01:51:05
06:51:05
04:51:05
07:51:05
19:51:05
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