There is no standard 8-to-6 overlap. Someone joins early or late.
Rio de Janeiro and Hanoi are too far apart in time (10 hours) for their workdays to line up during regular hours. For anything urgent, agree on an early-morning or late-night bridge hour in advance so nobody's caught off guard.
Local time
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
Rio de Janeiro
America/Sao Paulo
Hanoi
Asia/Ho Chi Minh
Frequently Asked Questions
What is the time difference between Hanoi and Rio de Janeiro?
Rio de Janeiro is 10 hours behind Hanoi.
What are the best overlapping working hours between Hanoi and Rio de Janeiro?
Unfortunately, there are no standard overlapping working hours (8 AM to 6 PM) between Hanoi and Rio de Janeiro. You will likely need to schedule meetings outside of regular office hours.
How many hours overlap between Hanoi and Rio de Janeiro during a typical workday?
Unfortunately, there are no overlapping work hours. Someone will usually need to join earlier or later than a normal workday.
Does Daylight Saving Time affect the time difference between Hanoi and Rio de Janeiro?
Neither Hanoi nor Rio de Janeiro observes Daylight Saving Time, so the time difference remains consistent year-round.