Čas Risca
21:30:10
Svítání: 07:46:08 
Západ slunce: 16:12:0905:30:10
00:30:10
18:30:10
03:00:10
15:30:10
05:30:10
02:30:10
05:30:10
05:30:10
03:00:10
00:30:10
05:30:10
03:30:10
06:30:10
18:30:10
Časový rozdíl mezi Risca a velkými městy
+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