Skip to content
Global ClockTime zone converter & meeting planner
PAGES
SETTINGS
Clock
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 São José vs Istanbul

São José keeps UTC−3 (UTC−3) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 6 hours ahead of São José; 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 José and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in São José01:00 in São José02:00 in São José03:00 in São José04:00 in São José05:00 in São José06:00 in São José07:00 in São José08:00 in São José09:00 in São José10:00 in São José11:00 in São José12:00 in São José13:00 in São José14:00 in São José15:00 in São José16:00 in São José17:00 in São José18:00 in São José19:00 in São José20:00 in São José21:00 in São José22:00 in São José23:00 in São José
São José——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with São José 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 José, Istanbul and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Istanbul of São José?

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

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

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

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

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