Hertfordの時間
23:53:14
日の出: 06:56:05 
日没: 17:30:5307:53:14
02:53:14
20:53:14
05:23:14
17:53:14
07:53:14
04:53:14
07:53:14
07:53:14
05:23:14
02:53:14
07:53:14
05:53:14
08:53:14
20:53:14
Hertfordと主要都市の時差
+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
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8