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Global ClockTime zone converter & meeting planner
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Working hours
Start
09
End
18
Theme

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

Time in Hong Kong vs Rio de Janeiro

Hong Kong keeps HKT (UTC+8) and Rio de Janeiro keeps UTC−3 (UTC−3) today. Rio de Janeiro is 11 hours behind Hong Kong; 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 (06:00 there).

Hong Kong and Rio de Janeiro hour by hour, with the working-hour overlap shaded
City00:00 in Hong Kong01:00 in Hong Kong02:00 in Hong Kong03:00 in Hong Kong04:00 in Hong Kong05:00 in Hong Kong06:00 in Hong Kong07:00 in Hong Kong08:00 in Hong Kong09:00 in Hong Kong10:00 in Hong Kong11:00 in Hong Kong12:00 in Hong Kong13:00 in Hong Kong14:00 in Hong Kong15:00 in Hong Kong16:00 in Hong Kong17:00 in Hong Kong18:00 in Hong Kong19:00 in Hong Kong20:00 in Hong Kong21:00 in Hong Kong22:00 in Hong Kong23:00 in Hong Kong
Hong Kong——000102030405060708091011121314151617181920212223
Rio de Janeiro——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Hong Kong 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 Hong Kong, 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 (06:00 there).

Where daylight saving pulls them apart

Neither Hong Kong 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 Hong Kong?

Rio de Janeiro is 11 hours behind Hong Kong right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Hong Kong and Rio de Janeiro?

There is no hour inside working hours in both cities. 17:00–18:00 your time (06:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Hong Kong and Rio de Janeiro change clocks on the same date?

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