What is the time difference between Karachi and London?

London is 4 hours behind Karachi. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call London from Karachi?

Between 13:00–18:00 in Karachi, which is 09:00–14:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Karachi observe daylight saving time?

No. Karachi stays on UTC+5 all year, so its clocks never move.

Does London observe daylight saving time?

Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

If it is midday in Karachi, what time is it in London?

It is 08:00 in London, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Karachi and London use?

Karachi uses Asia/Karachi, currently UTC+5, and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Karachi time to London time

London is 4 hours behind Karachi right now, so midday in Karachi lands in the morning in London.

Convert a time

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Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Karachi, across for London.

Karachi	London
00:00	20:00previous day
01:00	21:00previous day
02:00	22:00previous day
03:00	23:00previous day
04:00	00:00
05:00	01:00
06:00	02:00
07:00	03:00
08:00	04:00
09:00	05:00
10:00	06:00
11:00	07:00
12:00	08:00
13:00	09:00
14:00	10:00
15:00	11:00
16:00	12:00
17:00	13:00
18:00	14:00
19:00	15:00
20:00	16:00
21:00	17:00
22:00	18:00
23:00	19:00

Daylight saving time

London changes its clocks; Karachi does not. The difference between them therefore shifts by an hour twice a year.

Karachi

Does not observe daylight saving time

Standard: UTC+5

London

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

When you can actually talk

You have 5 hours of shared working time: 13:00–18:00 in Karachi, which is 09:00–14:00 in London.

Karachi 13:00–18:00London 09:00–14:00

Reference

The zone identifiers and offsets behind everything above.

	Karachi	London
IANA zone	Asia/Karachi	Europe/London
Abbreviation	UTC+5	BST
Standard offset	UTC+5	UTC+0
Daylight offset	—	UTC+1
Clock changes this year	0	2
Country	Pakistan	United Kingdom

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Karachi and London?: London is 4 hours behind Karachi. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call London from Karachi?: Between 13:00–18:00 in Karachi, which is 09:00–14:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Karachi observe daylight saving time?: No. Karachi stays on UTC+5 all year, so its clocks never move.
Does London observe daylight saving time?: Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
If it is midday in Karachi, what time is it in London?: It is 08:00 in London, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Karachi and London use?: Karachi uses Asia/Karachi, currently UTC+5, and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.