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Global ClockTime zone converter & meeting planner
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Working hours
Start
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 Karachi vs Colchester

Karachi keeps PKT (UTC+5) and Colchester keeps BST (UTC+1) today. Colchester is 4 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: 09:00–14:00 in Colchester (13:00–18:00 your time).

Karachi and Colchester 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
Colchester——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Karachi and Colchester

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

Best hours to call

13:00 in Karachi
Inside working hours on both sides
09:00 in Colchester
14:00 in Karachi
Inside working hours on both sides
10:00 in Colchester
15:00 in Karachi
Inside working hours on both sides
11:00 in Colchester
16:00 in Karachi
Inside working hours on both sides
12:00 in Colchester

Where daylight saving pulls them apart

Colchester 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 Colchester of Karachi?

Colchester is 4 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 Colchester?

Any hour in 13:00–18:00 Karachi time is inside working hours in both cities.

Do Karachi and Colchester 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.