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Global ClockTime zone converter & meeting planner
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09
End
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 Shanghai vs Guaratinguetá

Shanghai keeps CST (UTC+8) and Guaratinguetá keeps UTC−3 (UTC−3) today. Guaratinguetá is 11 hours behind Shanghai; 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 Guaratinguetá — the nearest workable window is 17:00–18:00 your time (06:00 there).

Shanghai and Guaratinguetá hour by hour, with the working-hour overlap shaded
City00:00 in Shanghai01:00 in Shanghai02:00 in Shanghai03:00 in Shanghai04:00 in Shanghai05:00 in Shanghai06:00 in Shanghai07:00 in Shanghai08:00 in Shanghai09:00 in Shanghai10:00 in Shanghai11:00 in Shanghai12:00 in Shanghai13:00 in Shanghai14:00 in Shanghai15:00 in Shanghai16:00 in Shanghai17:00 in Shanghai18:00 in Shanghai19:00 in Shanghai20:00 in Shanghai21:00 in Shanghai22:00 in Shanghai23:00 in Shanghai
Shanghai——000102030405060708091011121314151617181920212223
Guaratinguetá——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Shanghai and Guaratinguetá

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Shanghai, Guaratinguetá 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 Guaratinguetá — the nearest workable window is 17:00–18:00 your time (06:00 there).

Where daylight saving pulls them apart

Neither Shanghai nor Guaratinguetá changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Guaratinguetá of Shanghai?

Guaratinguetá is 11 hours behind Shanghai right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Shanghai and Guaratinguetá?

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 Shanghai and Guaratinguetá change clocks on the same date?

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