Prestonの時間
09:48:42
日の出: 08:10:22 
日没: 16:34:5417:48:42
12:48:42
06:48:42
15:18:42
03:48:42
17:48:42
14:48:42
17:48:42
17:48:42
15:18:42
12:48:42
17:48:42
15:48:42
18:48:42
06:48:42
Preston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
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8