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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 Sandachō vs Istanbul

Sandachō keeps JST (UTC+9) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 6 hours behind Sandachō; 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).

Sandachō and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in Sandachō01:00 in Sandachō02:00 in Sandachō03:00 in Sandachō04:00 in Sandachō05:00 in Sandachō06:00 in Sandachō07:00 in Sandachō08:00 in Sandachō09:00 in Sandachō10:00 in Sandachō11:00 in Sandachō12:00 in Sandachō13:00 in Sandachō14:00 in Sandachō15:00 in Sandachō16:00 in Sandachō17:00 in Sandachō18:00 in Sandachō19:00 in Sandachō20:00 in Sandachō21:00 in Sandachō22:00 in Sandachō23:00 in Sandachō
Sandachō——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

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

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Istanbul of Sandachō?

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

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

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

Do Sandachō and Istanbul change clocks on the same date?

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