Purley時間
23:30:30
日出: 06:40:36 
日落: 17:44:0507:30:30
02:30:30
20:30:30
05:00:30
17:30:30
07:30:30
04:30:30
07:30:30
07:30:30
05:00:30
02:30:30
07:30:30
05:30:30
08:30:30
20:30:30
Purley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
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8