Royston時間
18:48:14
日出: 07:44:49 
日落: 15:52:5002:48:14
21:48:14
15:48:14
00:18:14
12:48:14
02:48:14
23:48:14
02:48:14
02:48:14
00:18:14
21:48:14
02:48:14
00:48:14
03:48:14
15:48:14
Royston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