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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Ho Chi Minh City vs Rio de Janeiro

Ho Chi Minh City keeps ICT (UTC+7) and Rio de Janeiro keeps UTC−3 (UTC−3) today. Rio de Janeiro is 10 hours behind Ho Chi Minh City; the rows below read both clocks live.

The working day, side by side

The working days do not meet. there is no working-hour overlap with Rio de Janeiro — the nearest workable window is 17:00–18:00 your time (07:00 there).

Ho Chi Minh City and Rio de Janeiro hour by hour, with the working-hour overlap shaded
City00:00 in Ho Chi Minh City01:00 in Ho Chi Minh City02:00 in Ho Chi Minh City03:00 in Ho Chi Minh City04:00 in Ho Chi Minh City05:00 in Ho Chi Minh City06:00 in Ho Chi Minh City07:00 in Ho Chi Minh City08:00 in Ho Chi Minh City09:00 in Ho Chi Minh City10:00 in Ho Chi Minh City11:00 in Ho Chi Minh City12:00 in Ho Chi Minh City13:00 in Ho Chi Minh City14:00 in Ho Chi Minh City15:00 in Ho Chi Minh City16:00 in Ho Chi Minh City17:00 in Ho Chi Minh City18:00 in Ho Chi Minh City19:00 in Ho Chi Minh City20:00 in Ho Chi Minh City21:00 in Ho Chi Minh City22:00 in Ho Chi Minh City23:00 in Ho Chi Minh City
Ho Chi Minh City——000102030405060708091011121314151617181920212223
Rio de Janeiro——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Ho Chi Minh City and Rio de Janeiro

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Ho Chi Minh City, Rio de Janeiro and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

there is no working-hour overlap with Rio de Janeiro — the nearest workable window is 17:00–18:00 your time (07:00 there).

Where daylight saving pulls them apart

Neither Ho Chi Minh City nor Rio de Janeiro changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Rio de Janeiro of Ho Chi Minh City?

Rio de Janeiro is 10 hours behind Ho Chi Minh City right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Ho Chi Minh City and Rio de Janeiro?

There is no hour inside working hours in both cities. 17:00–18:00 your time (07:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Ho Chi Minh City and Rio de Janeiro change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.