Heure à Hertford
22:14:45
Lever du soleil: 07:55:15 
Coucher de soleil: 16:27:2306:14:46
01:14:46
19:14:46
03:44:46
16:14:46
06:14:46
03:14:46
06:14:46
06:14:46
03:44:46
01:14:46
06:14:46
04:14:46
07:14:46
19:14:46
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