Viseu時間
18:30:23
日出: 07:22:32 
日落: 18:08:3902:30:23
21:30:23
15:30:23
00:00:23
12:30:23
02:30:23
23:30:23
02:30:23
02:30:23
00:00:23
21:30:23
02:30:23
00:30:23
03:30:23
15:30:23
Viseu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