Viana時間
19:11:52
日出: 05:17:57 
日落: 18:28:0506:11:52
01:11:52
19:11:52
03:41:52
16:11:52
06:11:52
03:11:52
06:11:52
06:11:52
03:41:52
01:11:52
06:11:52
04:11:52
07:11:52
19:11:52
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