Meeting Time Planner

Best time to call Sao Paulo from Hanoi

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

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

Your least-bad options

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

Your working day in Sao Paulo time

09:00→23:00prev day · outside Sao Paulo working hours
10:00→00:00outside Sao Paulo working hours
11:00→01:00outside Sao Paulo working hours
12:00→02:00outside Sao Paulo working hours
13:00→03:00outside Sao Paulo working hours
14:00→04:00outside Sao Paulo working hours
15:00→05:00outside Sao Paulo working hours
16:00→06:00outside Sao Paulo working hours
17:00→07:00outside Sao Paulo working hours

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