Risca時間
19:53:54
日出: 08:15:06 
日落: 16:24:4503:53:54
22:53:54
16:53:54
01:23:54
13:53:54
03:53:54
00:53:54
03:53:54
03:53:54
01:23:54
22:53:54
03:53:54
01:53:54
04:53:54
16:53:54
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