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Global ClockTime zone converter & meeting planner
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Working hours
Start
09
End
18
Theme

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 Regina

Istanbul keeps UTC+3 (UTC+3) and Regina keeps CST (UTC−6) today. Regina is 9 hours behind Istanbul; the rows below read both clocks live.

The working day, side by side

The working days do not meet. there is no working-hour overlap with Regina — the nearest workable window is 17:00–18:00 your time (08:00 there).

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

Do more with Istanbul and Regina

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

Best hours to call

there is no working-hour overlap with Regina — the nearest workable window is 17:00–18:00 your time (08:00 there).

Where daylight saving pulls them apart

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

Also useful

Common questions

How many hours ahead is Regina of Istanbul?

Regina is 9 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 Regina?

There is no hour inside working hours in both cities. 17:00–18:00 your time (08:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Istanbul and Regina change clocks on the same date?

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