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Global ClockTime zone converter & meeting planner
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SETTINGS
Clock
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 Karachi vs Białystok

Karachi keeps PKT (UTC+5) and Białystok keeps CEST (UTC+2) today. Białystok is 3 hours behind Karachi; 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: 09:00–15:00 in Białystok (12:00–18:00 your time).

Karachi and Białystok hour by hour, with the working-hour overlap shaded
City00:00 in Karachi01:00 in Karachi02:00 in Karachi03:00 in Karachi04:00 in Karachi05:00 in Karachi06:00 in Karachi07:00 in Karachi08:00 in Karachi09:00 in Karachi10:00 in Karachi11:00 in Karachi12:00 in Karachi13:00 in Karachi14:00 in Karachi15:00 in Karachi16:00 in Karachi17:00 in Karachi18:00 in Karachi19:00 in Karachi20:00 in Karachi21:00 in Karachi22:00 in Karachi23:00 in Karachi
Karachi——000102030405060708091011121314151617181920212223
Białystok——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Karachi and Białystok

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Karachi, Białystok and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

12:00 in Karachi
Inside working hours on both sides
09:00 in Białystok
13:00 in Karachi
Inside working hours on both sides
10:00 in Białystok
14:00 in Karachi
Inside working hours on both sides
11:00 in Białystok
15:00 in Karachi
Inside working hours on both sides
12:00 in Białystok

Where daylight saving pulls them apart

Białystok next changes on Sunday 25 October 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Białystok of Karachi?

Białystok is 3 hours behind Karachi right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Karachi and Białystok?

Any hour in 12:00–18:00 Karachi time is inside working hours in both cities.

Do Karachi and Białystok change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.