London to Colombo time converter

Colombo is 4 hours 30 minutes ahead of London. When it is 9:00 AM in London, it is 1:30 PM in Colombo.

London BST

Friday, October 16, 2026

Colombo IST

Saturday, October 17, 2026

London
United Kingdom
Fri, Oct 16
BSTUTC+1
Colombo
Sri Lanka
Sat, Oct 17
ISTUTC+5:30+4h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

London to Colombo conversion table

Every hour of today in London and the matching time in Colombo. Light rows are typical working hours (9:00–18:00).

LondonColombo
12:00 AM4:30 AM
1:00 AM5:30 AM
2:00 AM6:30 AM
3:00 AM7:30 AM
4:00 AM8:30 AM
5:00 AM9:30 AM
6:00 AM10:30 AM
7:00 AM11:30 AM
8:00 AM12:30 PM
9:00 AM1:30 PM
10:00 AM2:30 PM
11:00 AM3:30 PM
12:00 PM4:30 PM
1:00 PM5:30 PM
2:00 PM6:30 PM
3:00 PM7:30 PM
4:00 PM8:30 PM
5:00 PM9:30 PM
6:00 PM10:30 PM
7:00 PM11:30 PM
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

Best time to call or meet

Both sides are at work from 9:00 AM – 1:30 PM in London (1:30 PM – 6:00 PM in Colombo).

Daylight saving time and the difference

The difference changes during the year because London and Colombo switch clocks on different dates:

  • Oct 16, 2026 – Oct 25, 2026: +4h 30m
  • Oct 25, 2026 – Mar 28, 2027: +5h 30m
  • Mar 28, 2027 – Oct 16, 2027: +4h 30m

Distance

London and Colombo are 8,711 km (5,413 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between London and Colombo?

Colombo is 4 hours 30 minutes ahead of London.

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

When it is 9:00 AM in London, it is 1:30 PM in Colombo.

When is the best time to call Colombo from London?

Both sides are at work from 9:00 AM – 1:30 PM in London (1:30 PM – 6:00 PM in Colombo).

Does the time difference between London and Colombo change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.