Viana時間
21:40:17
日出: 06:07:16 
日落: 18:17:4208:40:17
03:40:17
21:40:17
06:10:17
18:40:17
08:40:17
05:40:17
08:40:17
08:40:17
06:10:17
03:40:17
08:40:17
06:40:17
09:40:17
21:40:17
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
+3
+3
+3
+0
+0
+0
+0
-1
-2
-2
-2
-3
-5