Heure à Viana
20:20:17
Lever du soleil: 06:07:41 
Coucher de soleil: 18:19:1207:20:17
02:20:17
20:20:17
04:50:17
17:20:17
07:20:17
04:20:17
07:20:17
07:20:17
04:50:17
02:20:17
07:20:17
05:20:17
08:20:17
20:20:17
Décalage horaire entre Viana et les grandes villes
+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