Viseu時間
18:27:40
日出: 06:12:46 
日落: 18:20:5405:27:40
00:27:40
18:27:40
02:57:40
15:27:40
05:27:40
02:27:40
05:27:40
05:27:40
02:57:40
00:27:40
05:27:40
03:27:40
06:27:40
18:27:40
Viseu與主要城市的時差
+7
+6.5
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+5
+4
+4
+4
+4
+4
+4
+3
+3
+3
+0
+0
+0
+0
-1
-2
-2
-2
-3
-5