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09
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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 São Carlos vs Istanbul

São Carlos keeps UTC−3 (UTC−3) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 6 hours ahead of São Carlos; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 15:00–18:00 in Istanbul (09:00–12:00 your time).

São Carlos and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in São Carlos01:00 in São Carlos02:00 in São Carlos03:00 in São Carlos04:00 in São Carlos05:00 in São Carlos06:00 in São Carlos07:00 in São Carlos08:00 in São Carlos09:00 in São Carlos10:00 in São Carlos11:00 in São Carlos12:00 in São Carlos13:00 in São Carlos14:00 in São Carlos15:00 in São Carlos16:00 in São Carlos17:00 in São Carlos18:00 in São Carlos19:00 in São Carlos20:00 in São Carlos21:00 in São Carlos22:00 in São Carlos23:00 in São Carlos
São Carlos——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with São Carlos and Istanbul

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep São Carlos, Istanbul and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in São Carlos
Inside working hours on both sides
15:00 in Istanbul
10:00 in São Carlos
Inside working hours on both sides
16:00 in Istanbul
11:00 in São Carlos
Inside working hours on both sides
17:00 in Istanbul

Where daylight saving pulls them apart

Neither São Carlos nor Istanbul changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Istanbul of São Carlos?

Istanbul is 6 hours ahead of São Carlos right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between São Carlos and Istanbul?

Any hour in 09:00–12:00 São Carlos time is inside working hours in both cities.

Do São Carlos and Istanbul change clocks on the same date?

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