Viana時間
09:42:38
日出: 06:00:25 
日落: 18:17:4720:42:38
15:42:38
09:42:38
18:12:38
06:42:38
20:42:38
17:42:38
20:42:38
20:42:38
18:12:38
15:42:38
20:42:38
18:42:38
21:42:38
09:42:38
Viana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
+4
+3
+3
+0
+0
+0
+0
-1
-2
-2
-2
-3
-5