Royston時間
02:31:56
日出: 07:44:21 
日落: 16:42:0110:31:56
05:31:56
23:31:56
08:01:56
20:31:56
10:31:56
07:31:56
10:31:56
10:31:56
08:01:56
05:31:56
10:31:56
08:31:56
11:31:56
23:31:56
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