Risca時間
19:35:37
日出: 07:44:08 
日落: 17:08:3603:35:37
22:35:37
16:35:37
01:05:37
13:35:37
03:35:37
00:35:37
03:35:37
03:35:37
01:05:37
22:35:37
03:35:37
01:35:37
04:35:37
16:35:37
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