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Global ClockTime zone converter & meeting planner
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Working hours
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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 Istanbul vs Teshi Old Town

Istanbul keeps UTC+3 (UTC+3) and Teshi Old Town keeps GMT (UTC+0) today. Teshi Old Town is 3 hours behind Istanbul; 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: 09:00–15:00 in Teshi Old Town (12:00–18:00 your time).

Istanbul and Teshi Old Town hour by hour, with the working-hour overlap shaded
City00:00 in Istanbul01:00 in Istanbul02:00 in Istanbul03:00 in Istanbul04:00 in Istanbul05:00 in Istanbul06:00 in Istanbul07:00 in Istanbul08:00 in Istanbul09:00 in Istanbul10:00 in Istanbul11:00 in Istanbul12:00 in Istanbul13:00 in Istanbul14:00 in Istanbul15:00 in Istanbul16:00 in Istanbul17:00 in Istanbul18:00 in Istanbul19:00 in Istanbul20:00 in Istanbul21:00 in Istanbul22:00 in Istanbul23:00 in Istanbul
Istanbul——000102030405060708091011121314151617181920212223
Teshi Old Town——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Istanbul and Teshi Old Town

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

Best hours to call

12:00 in Istanbul
Inside working hours on both sides
09:00 in Teshi Old Town
13:00 in Istanbul
Inside working hours on both sides
10:00 in Teshi Old Town
14:00 in Istanbul
Inside working hours on both sides
11:00 in Teshi Old Town
15:00 in Istanbul
Inside working hours on both sides
12:00 in Teshi Old Town

Where daylight saving pulls them apart

Neither Istanbul nor Teshi Old Town changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Teshi Old Town of Istanbul?

Teshi Old Town is 3 hours behind Istanbul right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Istanbul and Teshi Old Town?

Any hour in 12:00–18:00 Istanbul time is inside working hours in both cities.

Do Istanbul and Teshi Old Town change clocks on the same date?

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