Prestonの時間
19:57:57
日の出: 07:18:50 
日没: 17:14:2217:57:57
12:57:57
06:57:57
15:27:57
03:57:57
17:57:57
14:57:57
17:57:57
17:57:57
15:27:57
12:57:57
17:57:57
15:57:57
18:57:57
06:57:57
Prestonと主要都市の時差
+0
+0
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-4
-4
-4
-4
-5
-5
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-10