Risca時間
18:51:55
日出: 07:44:08 
日落: 17:08:3602:51:55
21:51:55
15:51:55
00:21:55
12:51:55
02:51:55
23:51:55
02:51:55
02:51:55
00:21:55
21:51:55
02:51:55
00:51:55
03:51:55
15:51:55
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