Risca時間
22:55:09
日出: 07:05:14 
日落: 17:45:3106:55:09
01:55:09
19:55:09
04:25:09
16:55:09
06:55:09
03:55:09
06:55:09
06:55:09
04:25:09
01:55:09
06:55:09
04:55:09
07:55:09
19:55:09
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
+0
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8