World Timezones

London to Mumbai Converter

Compare Mumbai to London instead

Search above to add a time zone or city

Offset

4.5 hours

London (GMT+1) is currently behind Mumbai (GMT+5:30).

GMT+1: UTC+1

GMT+5:30: UTC+5:30

London is currently observing daylight saving time; Mumbai is not.

When to schedule

Business-hours overlap: 9 AM–2 PM in London (1 PM–6 PM in Mumbai).

Both teams are in working hours during this window on weekdays.

Suggested time: 11:00 AM London (3:30 PM Mumbai).

This window may shift by an hour during daylight saving time.

About these zones

London uses Greenwich Mean Time (GMT, or BST).

Mumbai uses India Standard Time (IST).

London and Mumbai are approximately 4,450 miles apart.

Quick reference

Full 24-hour conversion table.

LondonMumbaiDay
12:00 am4:30 amSame day
1:00 am5:30 amSame day
2:00 am6:30 amSame day
3:00 am7:30 amSame day
4:00 am8:30 amSame day
5:00 am9:30 amSame day
6:00 am10:30 amSame day
7:00 am11:30 amSame day
8:00 am12:30 pmSame day
9:00 am1:30 pmSame day
10:00 am2:30 pmSame day
11:00 am3:30 pmSame day
12:00 pm4:30 pmSame day
1:00 pm5:30 pmSame day
2:00 pm6:30 pmSame day
3:00 pm7:30 pmSame day
4:00 pm8:30 pmSame day
5:00 pm9:30 pmSame day
6:00 pm10:30 pmSame day
7:00 pm11:30 pmSame day
8:00 pm12:30 am+1 day
9:00 pm1:30 am+1 day
10:00 pm2:30 am+1 day
11:00 pm3:30 am+1 day

Daylight saving time

London observes daylight saving time; Mumbai does not. The offset between the two zones changes when London transitions: on Sunday, October 25, 2026, clocks fall back from GMT+1 to GMT.

Daylight today

London
Sunrise
4:55 AM
Sunset
9:02 PM
Day length
16h 8m
Mumbai
Sunrise
6:02 AM
Sunset
7:11 PM
Day length
13h 9m

Daylight overlap: 9h 47m — 4:55 AM–2:41 PM in London (9:25 AM–7:11 PM in Mumbai). Both locations are in daylight during this window.

Cities in these zones

Airports in these zones

Airports in Greenwich Mean Time

  • LCY
  • LGW
  • LHR
  • LTN
  • STN
  • BHX
  • EMA
  • GLA
  • PIK
  • LBA

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

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