Hertford時間
00:46:39
日出: 07:43:41 
日落: 16:43:0808:46:39
03:46:39
21:46:39
06:16:39
18:46:39
08:46:39
05:46:39
08:46:39
08:46:39
06:16:39
03:46:39
08:46:39
06:46:39
09:46:39
21:46:39
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