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Global ClockTime zone converter & meeting planner
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18
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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 Rio das Ostras vs Guangzhou

Rio das Ostras keeps UTC−3 (UTC−3) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 11 hours ahead of Rio das Ostras; 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 Guangzhou — the nearest workable window is 06:00–07:00 your time (17:00 there).

Rio das Ostras and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Rio das Ostras01:00 in Rio das Ostras02:00 in Rio das Ostras03:00 in Rio das Ostras04:00 in Rio das Ostras05:00 in Rio das Ostras06:00 in Rio das Ostras07:00 in Rio das Ostras08:00 in Rio das Ostras09:00 in Rio das Ostras10:00 in Rio das Ostras11:00 in Rio das Ostras12:00 in Rio das Ostras13:00 in Rio das Ostras14:00 in Rio das Ostras15:00 in Rio das Ostras16:00 in Rio das Ostras17:00 in Rio das Ostras18:00 in Rio das Ostras19:00 in Rio das Ostras20:00 in Rio das Ostras21:00 in Rio das Ostras22:00 in Rio das Ostras23:00 in Rio das Ostras
Rio das Ostras——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Rio das Ostras and Guangzhou

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Rio das Ostras, Guangzhou 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 Guangzhou — the nearest workable window is 06:00–07:00 your time (17:00 there).

Where daylight saving pulls them apart

Neither Rio das Ostras nor Guangzhou changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Guangzhou of Rio das Ostras?

Guangzhou is 11 hours ahead of Rio das Ostras right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Rio das Ostras and Guangzhou?

There is no hour inside working hours in both cities. 06:00–07:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Rio das Ostras and Guangzhou change clocks on the same date?

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