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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 Shanhaiguan

Istanbul keeps UTC+3 (UTC+3) and Shanhaiguan keeps CST (UTC+8) today. Shanhaiguan is 5 hours ahead of 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: 14:00–18:00 in Shanhaiguan (09:00–13:00 your time).

Istanbul and Shanhaiguan 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
Shanhaiguan——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Istanbul and Shanhaiguan

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Shanhaiguan of Istanbul?

Shanhaiguan is 5 hours ahead of 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 Shanhaiguan?

Any hour in 09:00–13:00 Istanbul time is inside working hours in both cities.

Do Istanbul and Shanhaiguan change clocks on the same date?

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