Risca時間
14:01:10
日出: 07:42:26 
日落: 17:10:2622:01:10
17:01:10
11:01:10
19:31:10
08:01:10
22:01:10
19:01:10
22:01:10
22:01:10
19:31:10
17:01:10
22:01:10
20:01:10
23:01:10
11:01:10
Risca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