Risca時間
20:12:57
日出: 07:44:08 
日落: 17:08:3604:12:57
23:12:57
17:12:57
01:42:57
14:12:57
04:12:57
01:12:57
04:12:57
04:12:57
01:42:57
23:12:57
04:12:57
02:12:57
05:12:57
17:12:57
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