Meeting Time Planner

Best time to call Hanoi from Sao Paulo

Hanoi is 10 hours ahead of Sao Paulo. Your working days don't overlap, so someone has to move.

Sao Paulo
11:55
Brazil
at build
Hanoi
21:55
Vietnam
Sao Paulo UTC-03:00 GMT-3Hanoi UTC+07:00 GMT+7

Your least-bad options

There is no 9–6 overlap. Stretching to 07:00–21:00 on both sides gives you 07:00–11:00 Sao Paulo time:
07:00 you → 17:00 Hanoi
08:00 you → 18:00 Hanoi
09:00 you → 19:00 Hanoi

Your working day in Hanoi time

09:00→19:00outside Hanoi working hours
10:00→20:00outside Hanoi working hours
11:00→21:00outside Hanoi working hours
12:00→22:00outside Hanoi working hours
13:00→23:00outside Hanoi working hours
14:00→00:00next day · outside Hanoi working hours
15:00→01:00next day · outside Hanoi working hours
16:00→02:00next day · outside Hanoi working hours
17:00→03:00next day · outside Hanoi working hours

Working hours assumed 09:00–18:00 local. Offsets include daylight saving where it applies, so this shifts through the year.