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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 Istanbul vs Port Harcourt

Istanbul keeps UTC+3 (UTC+3) and Port Harcourt keeps WAT (UTC+1) today. Port Harcourt is 2 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: 09:00–16:00 in Port Harcourt (11:00–18:00 your time).

Istanbul and Port Harcourt 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
Port Harcourt——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Istanbul and Port Harcourt

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, Port Harcourt and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

11:00 in Istanbul
Inside working hours on both sides
09:00 in Port Harcourt
12:00 in Istanbul
Inside working hours on both sides
10:00 in Port Harcourt
13:00 in Istanbul
Inside working hours on both sides
11:00 in Port Harcourt
14:00 in Istanbul
Inside working hours on both sides
12:00 in Port Harcourt

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Port Harcourt of Istanbul?

Port Harcourt is 2 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 Port Harcourt?

Any hour in 11:00–18:00 Istanbul time is inside working hours in both cities.

Do Istanbul and Port Harcourt change clocks on the same date?

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