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Global ClockTime zone converter & meeting planner
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Working hours
Start
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 Kupang vs Istanbul

Kupang keeps WITA (UTC+8) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 5 hours behind Kupang; 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).

Kupang and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in Kupang01:00 in Kupang02:00 in Kupang03:00 in Kupang04:00 in Kupang05:00 in Kupang06:00 in Kupang07:00 in Kupang08:00 in Kupang09:00 in Kupang10:00 in Kupang11:00 in Kupang12:00 in Kupang13:00 in Kupang14:00 in Kupang15:00 in Kupang16:00 in Kupang17:00 in Kupang18:00 in Kupang19:00 in Kupang20:00 in Kupang21:00 in Kupang22:00 in Kupang23:00 in Kupang
Kupang——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Istanbul of Kupang?

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

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

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

Do Kupang and Istanbul change clocks on the same date?

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