Viana時間
09:09:15
日出: 05:19:56 
日落: 18:27:4320:09:15
15:09:15
09:09:15
17:39:15
06:09:15
20:09:15
17:09:15
20:09:15
20:09:15
17:39:15
15:09:15
20:09:15
18:09:15
21:09:15
09:09:15
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