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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 Tainan vs Istanbul

Tainan keeps UTC+8 (UTC+8) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 5 hours behind Tainan; 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: 09:00–13:00 in Istanbul (14:00–18:00 your time).

Tainan and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in Tainan01:00 in Tainan02:00 in Tainan03:00 in Tainan04:00 in Tainan05:00 in Tainan06:00 in Tainan07:00 in Tainan08:00 in Tainan09:00 in Tainan10:00 in Tainan11:00 in Tainan12:00 in Tainan13:00 in Tainan14:00 in Tainan15:00 in Tainan16:00 in Tainan17:00 in Tainan18:00 in Tainan19:00 in Tainan20:00 in Tainan21:00 in Tainan22:00 in Tainan23:00 in Tainan
Tainan——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

14:00 in Tainan
Inside working hours on both sides
09:00 in Istanbul
15:00 in Tainan
Inside working hours on both sides
10:00 in Istanbul
16:00 in Tainan
Inside working hours on both sides
11:00 in Istanbul
17:00 in Tainan
Inside working hours on both sides
12:00 in Istanbul

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Istanbul of Tainan?

Istanbul is 5 hours behind Tainan right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Tainan and Istanbul?

Any hour in 14:00–18:00 Tainan time is inside working hours in both cities.

Do Tainan and Istanbul change clocks on the same date?

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