London to Cook Islands time converter

Cook Islands is 11 hours behind London. When it is 9:00 AM in London, it is 10:00 PM (Tue, Oct 20) in Cook Islands.

London BST

Wednesday, October 21, 2026

Cook Islands UTC-10

Tuesday, October 20, 2026

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

London to Cook Islands conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -11h
  • Oct 25, 2026 – Mar 28, 2027: -10h
  • Mar 28, 2027 – Oct 21, 2027: -11h

More conversions

Cook Islands to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to Cook IslandsLos Angeles to Cook IslandsChicago to Cook IslandsToronto to Cook IslandsSão Paulo to Cook IslandsParis to Cook IslandsBerlin to Cook IslandsMoscow to Cook IslandsDubai to Cook IslandsNew Delhi to Cook IslandsBangkok to Cook IslandsSingapore to Cook Islands

Questions and answers

What is the time difference between London and Cook Islands?

Cook Islands is 11 hours behind London.

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

When it is 9:00 AM in London, it is 10:00 PM (Tue, Oct 20) in Cook Islands.

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

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

Does the time difference between London and Cook Islands change?

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