Mumbai to London Time Converter

Key facts

• Mumbai is on IST (UTC+5:30) and does not observe daylight saving time.
• London is on BST (UTC+1) until 25 October 2026, observing daylight saving time.
• Time difference: 4 hours 30 minutes (London is behind Mumbai) until 25 October 2026.
• Range over the next 12 months: 4.5–5.5 hours.

Mumbai to London time conversion table

Best time to call or meet

The best time to call is 1:30 PM to 5:00 PM in Mumbai, which is 9:00 AM to 12:30 PM in London. Both cities are inside 9:00 AM to 5:00 PM then. This applies from 14 October 2026 to 24 October 2026.

Daylight saving time changes

Mumbai does not change its clocks in the next 12 months.

London changes its clocks on 25 October 2026 (back 1 hour) and 28 March 2027 (forward 1 hour).

Over the next 12 months the difference is 4.5–5.5 hours:

• 14 October 2026 until 25 October 2026: London is 4 hours 30 minutes behind Mumbai.
• 25 October 2026 until 28 March 2027: London is 5 hours 30 minutes behind Mumbai.
• 28 March 2027 until 14 October 2027: London is 4 hours 30 minutes behind Mumbai.

Common Mumbai to London times

• 6:00 AM in Mumbai is 1:30 AM in London.
• 8:00 AM in Mumbai is 3:30 AM in London.
• 9:00 AM in Mumbai is 4:30 AM in London.
• 12:00 PM in Mumbai is 7:30 AM in London.
• 3:00 PM in Mumbai is 10:30 AM in London.
• 5:00 PM in Mumbai is 12:30 PM in London.
• 6:00 PM in Mumbai is 1:30 PM in London.
• 8:00 PM in Mumbai is 3:30 PM in London.
• 10:00 PM in Mumbai is 5:30 PM in London.

Common London to Mumbai times

• 6:00 AM in London is 10:30 AM in Mumbai.
• 8:00 AM in London is 12:30 PM in Mumbai.
• 9:00 AM in London is 1:30 PM in Mumbai.
• 12:00 PM in London is 4:30 PM in Mumbai.
• 3:00 PM in London is 7:30 PM in Mumbai.
• 5:00 PM in London is 9:30 PM in Mumbai.
• 6:00 PM in London is 10:30 PM in Mumbai.
• 8:00 PM in London is 12:30 AM the next day in Mumbai.
• 10:00 PM in London is 2:30 AM the next day in Mumbai.

These times apply from 14 October 2026 to 24 October 2026. The gap changes with daylight saving time.

Mumbai and London time zones

Mumbai, India, uses the Asia/Kolkata time zone, IST (UTC+5:30). London, United Kingdom, uses the Europe/London time zone, BST (UTC+1) until 25 October 2026.

Both are named IANA time zones, so Mumbai and London follow their own daylight saving rules for the date you choose instead of a fixed offset. That is why the gap between them can change by an hour at different times of the year.

Frequently Asked Questions

What is the time difference between Mumbai and London?

London is 4 hours 30 minutes behind Mumbai until 25 October 2026. Across the next 12 months the gap is 4.5–5.5 hours because of daylight saving time.

How many hours is London behind Mumbai?

London is 4 hours 30 minutes behind Mumbai until 25 October 2026. Put the other way, Mumbai is 4 hours 30 minutes ahead of London, so subtract that gap from Mumbai time to get London time.

What is 8 PM London time in Mumbai?

8:00 PM in London is 12:30 AM the next day in Mumbai. This applies from 14 October 2026 to 24 October 2026. The gap changes with daylight saving time, so check the date you need in the converter.

What time is it in London when it is 9 AM in Mumbai?

When it is 9:00 AM in Mumbai, it is 4:30 AM the same day in London. This applies from 14 October 2026 to 24 October 2026. The gap changes with daylight saving time, so check the date you need in the converter.

What is the best time to call London from Mumbai?

The best time to call is 1:30 PM to 5:00 PM in Mumbai, which is 9:00 AM to 12:30 PM in London. Both cities are inside 9:00 AM to 5:00 PM then. This applies from 14 October 2026 to 24 October 2026.

Does the Mumbai–London time difference change with daylight saving time?

Yes. Across the next 12 months the gap is 4.5–5.5 hours because of daylight saving time. From 25 October 2026 the difference becomes 5 hours 30 minutes, when London ends daylight saving time. From 28 March 2027 the difference becomes 4 hours 30 minutes, when London starts daylight saving time.

Can I convert a future date between Mumbai and London?

Yes. Pick any date in the converter above and it applies the offsets Mumbai and London will use on that day, including daylight saving time changes.

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Offsets checked against IANA time zone data on 14 October 2026.

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