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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 Yamaguchi vs Istanbul

Yamaguchi keeps JST (UTC+9) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 6 hours behind Yamaguchi; 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: 09:00–12:00 in Istanbul (15:00–18:00 your time).

Yamaguchi and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in Yamaguchi01:00 in Yamaguchi02:00 in Yamaguchi03:00 in Yamaguchi04:00 in Yamaguchi05:00 in Yamaguchi06:00 in Yamaguchi07:00 in Yamaguchi08:00 in Yamaguchi09:00 in Yamaguchi10:00 in Yamaguchi11:00 in Yamaguchi12:00 in Yamaguchi13:00 in Yamaguchi14:00 in Yamaguchi15:00 in Yamaguchi16:00 in Yamaguchi17:00 in Yamaguchi18:00 in Yamaguchi19:00 in Yamaguchi20:00 in Yamaguchi21:00 in Yamaguchi22:00 in Yamaguchi23:00 in Yamaguchi
Yamaguchi——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Istanbul of Yamaguchi?

Istanbul is 6 hours behind Yamaguchi right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

Any hour in 15:00–18:00 Yamaguchi time is inside working hours in both cities.

Do Yamaguchi and Istanbul change clocks on the same date?

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