London to Mumbai time converter
Pick a date and time in London to see the matching time and day in Mumbai. In January Mumbai is 5.5 hours ahead of London; in July Mumbai is 4.5 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
Mumbai time = London time + (Mumbai UTC offset - London UTC offset), with both offsets read for the chosen date from the IANA time-zone database (Europe/London, Asia/Kolkata).
Example
Inputs: Date in London = 2026-01-15, Time in London = 09:00. Result: Time in Mumbai: 14:30 Thursday; Date in Mumbai: Thursday, January 15, 2026 (2026-01-15); Mumbai vs London: +5.5 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- Daylight saving dates come from your device time-zone database, so results can differ if it is outdated or a country changed its rules recently.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 Mumbai?
In January Mumbai is 5.5 hours ahead of London; in July Mumbai is 4.5 hours ahead of London.
Do London or Mumbai 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. Mumbai, like all of India, stays on India Standard Time (UTC+5:30) all year with no daylight saving.
Why does Mumbai sometimes show a different date?
Mumbai is ahead of London, so a late evening time in London can fall after midnight in Mumbai. The tool shows the correct Mumbai date and weekday for every conversion.