Hertford時間
08:31:44
日出: 07:45:07 
日落: 16:41:2016:31:44
11:31:44
05:31:44
14:01:44
02:31:44
16:31:44
13:31:44
16:31:44
16:31:44
14:01:44
11:31:44
16:31:44
14:31:44
17:31:44
05:31:44
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