Cook Islands to London time converter

London is 11 hours ahead of Cook Islands. When it is 9:00 AM in Cook Islands, it is 8:00 PM in London.

Cook Islands UTC-10

Tuesday, October 20, 2026

London BST

Wednesday, October 21, 2026

Cook Islands
Tue, Oct 20
UTC-10
London
United Kingdom
Wed, Oct 21
BSTUTC+1+11h
Finding your time zone…
Shared working hours (9:00–18:00)

Cook Islands to London conversion table

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

Cook IslandsLondon
12:00 AM11:00 AM
1:00 AM12:00 PM
2:00 AM1:00 PM
3:00 AM2:00 PM
4:00 AM3:00 PM
5:00 AM4:00 PM
6:00 AM5:00 PM
7:00 AM6:00 PM
8:00 AM7:00 PM
9:00 AM8:00 PM
10:00 AM9:00 PM
11:00 AM10:00 PM
12:00 PM11:00 PM
1:00 PM12:00 AM+1 day
2:00 PM1:00 AM+1 day
3:00 PM2:00 AM+1 day
4:00 PM3:00 AM+1 day
5:00 PM4:00 AM+1 day
6:00 PM5:00 AM+1 day
7:00 PM6:00 AM+1 day
8:00 PM7:00 AM+1 day
9:00 PM8:00 AM+1 day
10:00 PM9:00 AM+1 day
11:00 PM10:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Cook Islands (8:00 PM – 10:00 PM in London): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 24, 2026: +11h
  • Oct 24, 2026 – Mar 27, 2027: +10h
  • Mar 27, 2027 – Oct 20, 2027: +11h

More conversions

London to Cook IslandsCook Islands to New YorkCook Islands to Los AngelesCook Islands to ChicagoCook Islands to TorontoCook Islands to São PauloCook Islands to ParisCook Islands to BerlinCook Islands to MoscowCook Islands to DubaiCook Islands to New DelhiCook Islands to BangkokCook Islands to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Cook Islands and London?

London is 11 hours ahead of Cook Islands.

What time is it in London when it is 9 AM in Cook Islands?

When it is 9:00 AM in Cook Islands, it is 8:00 PM in London.

When is the best time to call London from Cook Islands?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Cook Islands (8:00 PM – 10:00 PM in London): working hours on one side, early or late on the other.

Does the time difference between Cook Islands and London change?

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