Mumbai to London Time Difference
London is 4 hours and 30 minutes behind Mumbai. When it's 07:04:08 PM in Mumbai, it's 02:34:08 PM in London.
How Many Hours Behind Is London From Mumbai?
London is 4 hours and 30 minutes behind Mumbai. So Mumbai is 4 hours and 30 minutes ahead of London looking the other way — the same gap, described from the other end.
In practice that means a working day in Mumbai starts when it is already 4:30 AM in London. The gap is not fixed all year: it becomes 5 hours and 30 minutes on Sunday, October 25, 2026, when London changes its clocks.
Best Time to Call Mumbai and London
Both cities are inside normal business hours between 2:00 PM and 5:00 PM in Mumbai — that's 9:30 AM to 12:30 PM in London. That's a 3-hour window, so a call fits comfortably in either side's working day.
both at work Mumbai only London only neither — hours shown along the strip are Mumbai local time.
Convert a Specific Time
Pick any date and time in Mumbai to see the exact equivalent in London.
Common Times Converted
Mumbai time on the left, London time on the right.
Mumbai to London: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Mumbai. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Mumbai | London | Working hours |
|---|---|---|
| 12:00 AM | 7:30 PM prev day | — |
| 1:00 AM | 8:30 PM prev day | — |
| 2:00 AM | 9:30 PM prev day | — |
| 3:00 AM | 10:30 PM prev day | — |
| 4:00 AM | 11:30 PM prev day | — |
| 5:00 AM | 12:30 AM | — |
| 6:00 AM | 1:30 AM | — |
| 7:00 AM | 2:30 AM | — |
| 8:00 AM | 3:30 AM | — |
| 9:00 AM | 4:30 AM | Mumbai only |
| 10:00 AM | 5:30 AM | Mumbai only |
| 11:00 AM | 6:30 AM | Mumbai only |
| 12:00 PM | 7:30 AM | Mumbai only |
| 1:00 PM | 8:30 AM | Mumbai only |
| 2:00 PM | 9:30 AM | Both cities |
| 3:00 PM | 10:30 AM | Both cities |
| 4:00 PM | 11:30 AM | Both cities |
| 5:00 PM | 12:30 PM | London only |
| 6:00 PM | 1:30 PM | London only |
| 7:00 PM | 2:30 PM | London only |
| 8:00 PM | 3:30 PM | London only |
| 9:00 PM | 4:30 PM | London only |
| 10:00 PM | 5:30 PM | — |
| 11:00 PM | 6:30 PM | — |
Understanding the Mumbai – London Time Difference
Mumbai runs on Asia/Kolkata, currently IST (UTC+5:30). London runs on Europe/London, currently BST (UTC+1:00). The gap of 4 hours and 30 minutes is simply the distance between those two offsets.
London observes Daylight Saving Time and Mumbai does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, October 25, 2026, when London adjusts its clocks and the difference becomes 5 hours and 30 minutes. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in India · Daylight Saving Time in the United Kingdom.
Mumbai today
London today
Frequently Asked Questions
What is the time difference between Mumbai and London?
London is currently 4 hours and 30 minutes behind Mumbai. That gap becomes 5 hours and 30 minutes on Sunday, October 25, 2026, when London changes its clocks.
How many hours behind is London from Mumbai?
London is 4 hours and 30 minutes behind Mumbai. Looking at it the other way, Mumbai is 4 hours and 30 minutes ahead of London.
What time is it in London when it is 9:00 AM in Mumbai?
When it is 9:00 AM in Mumbai, it is 4:30 AM in London.
Is London ahead of or behind Mumbai?
London is 4 hours and 30 minutes behind Mumbai. Mumbai reaches each point in the day first, so London is still getting started while the Mumbai working day is finishing.
What is the best time to call between Mumbai and London?
Between 2:00 PM and 5:00 PM Mumbai time, which is 9:30 AM to 12:30 PM in London. Both cities are inside normal business hours during that window.
Does the time difference between Mumbai and London change during the year?
Yes. London observes Daylight Saving Time and Mumbai does not, so the gap between them shifts during the year. It changes to 5 hours and 30 minutes on Sunday, October 25, 2026.
What time zones are Mumbai and London in?
Mumbai uses the Asia/Kolkata time zone, currently IST (UTC+5:30). London uses Europe/London, currently BST (UTC+1:00).