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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 Changchun

Istanbul keeps UTC+3 (UTC+3) and Changchun keeps CST (UTC+8) today. Changchun 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 Changchun (09:00–13:00 your time).

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

Do more with Istanbul and Changchun

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, Changchun 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 Changchun
10:00 in Istanbul
Inside working hours on both sides
15:00 in Changchun
11:00 in Istanbul
Inside working hours on both sides
16:00 in Changchun
12:00 in Istanbul
Inside working hours on both sides
17:00 in Changchun

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Changchun of Istanbul?

Changchun 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 Changchun?

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

Do Istanbul and Changchun change clocks on the same date?

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