Heure à Hertford
04:31:40
Lever du soleil: 07:55:15 
Coucher de soleil: 16:27:2312:31:40
07:31:40
01:31:40
10:01:40
22:31:40
12:31:40
09:31:40
12:31:40
12:31:40
10:01:40
07:31:40
12:31:40
10:31:40
13:31:40
01:31:40
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