There is no overlap between 09:00–18:00 working days in these two places.
Clock changes in London and Honolulu
London
British Summer Time (BST)
Next clock change Sun 25 Oct 2026 (UTC+1 → UTC+0)
Honolulu
Hawaii Time (HST)
No daylight saving time.
Time difference between London and Honolulu today
At this moment Honolulu is 11 hours behind of London. When it is 09:00 in London, it is 22:00 in Honolulu the previous day. London is on British Summer Time (BST); Honolulu is on Hawaii Time (HST).
When the London to Honolulu time difference changes
For most of the year Honolulu is 11 hours behind of London. From 25 October to 31 December 2026, Honolulu is 10 hours behind of London instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
Dates
Honolulu vs London
Length
29 March 2026 to 24 October 2026
11 hours behind
210 days
25 October 2026 to 31 December 2026
10 hours behind
68 days
1 January 2027 to 27 March 2027
10 hours behind
86 days
28 March 2027 to 30 October 2027
11 hours behind
217 days
31 October 2027 to 31 December 2027
10 hours behind
62 days
Calling hours for London and Honolulu
When Honolulu is 11 hours behind of London: no shared 09:00 to 17:00 hours; try 18:00 in London (07:00 in Honolulu).
When Honolulu is 10 hours behind of London: no shared 09:00 to 17:00 hours; try 17:00 in London (07:00 in Honolulu).
Frequently asked questions about London and Honolulu time
What time is it in Honolulu when it is 9:00 AM in London?
22:00 today; Honolulu is 11 hours behind of London.
Does the time difference between London and Honolulu change?
Yes. It is usually 11 hours behind, but changes when one side moves its clocks: 10 hours behind from 25 October to 31 December 2026; 10 hours behind from 1 January to 27 March 2027.