London to Karachi time converter
Pick a date and time in London to see the matching time and day in Karachi. In January Karachi is 5 hours ahead of London; in July Karachi is 4 hours ahead of London.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter date in london and time in london.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Karachi time = London time + (Karachi UTC offset - London UTC offset), with both offsets read for the chosen date from the IANA time-zone database (Europe/London, Asia/Karachi).
Example
Inputs: Date in London = 2026-01-15, Time in London = 09:00. Result: Time in Karachi: 14:00 Thursday; Date in Karachi: Thursday, January 15, 2026 (2026-01-15); Karachi vs London: +5 hours.
Limits and caveats
- Daylight saving dates come from your device time-zone database, so results can differ if it is outdated or a country changed its rules recently.
- A time skipped when London moves its clocks forward is shifted one hour later.
Questions about this tool
What is the time difference between London and Karachi?
In January Karachi is 5 hours ahead of London; in July Karachi is 4 hours ahead of London.
Do London or Karachi change their clocks in summer?
London uses British Summer Time (UTC+1) from the last Sunday of March to the last Sunday of October and GMT (UTC+0) the rest of the year. Karachi does not use daylight saving time and stays on UTC+5 all year.
Why does Karachi sometimes show a different date?
Karachi is ahead of London, so a late evening time in London can fall after midnight in Karachi. The tool shows the correct Karachi date and weekday for every conversion.