Hertford時間
08:40:35
日出: 07:45:07 
日落: 16:41:2016:40:35
11:40:35
05:40:35
14:10:35
02:40:35
16:40:35
13:40:35
16:40:35
16:40:35
14:10:35
11:40:35
16:40:35
14:40:35
17:40:35
05:40:35
Hertford與主要城市的時差
+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