London zone
GMT+1 (GMT+1)
Honolulu zone
HST (GMT-10)
Difference
11 hours behind London
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in London. Filled cells mark when 9 AM – 5 PM in London and Honolulu both apply.
0 hours per day
- London
- GMT+1
- Honolulu
- GMT-10
- Difference
- -11h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Honolulu for an hour in London.
| London | Honolulu | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 PM | previous day | — |
| 1:00 AM | 2:00 PM | previous day | — |
| 2:00 AM | 3:00 PM | previous day | — |
| 3:00 AM | 4:00 PM | previous day | — |
| 4:00 AM | 5:00 PM | previous day | — |
| 5:00 AM | 6:00 PM | previous day | — |
| 6:00 AM | 7:00 PM | previous day | — |
| 7:00 AM | 8:00 PM | previous day | — |
| 8:00 AM | 9:00 PM | previous day | — |
| 9:00 AM | 10:00 PM | previous day | — |
| 10:00 AM | 11:00 PM | previous day | — |
| 11:00 AM | 12:00 AM | same day | — |
| 12:00 PM | 1:00 AM | same day | — |
| 1:00 PM | 2:00 AM | same day | — |
| 2:00 PM | 3:00 AM | same day | — |
| 3:00 PM | 4:00 AM | same day | — |
| 4:00 PM | 5:00 AM | same day | — |
| 5:00 PM | 6:00 AM | same day | — |
| 6:00 PM | 7:00 AM | same day | — |
| 7:00 PM | 8:00 AM | same day | — |
| 8:00 PM | 9:00 AM | same day | — |
| 9:00 PM | 10:00 AM | same day | — |
| 10:00 PM | 11:00 AM | same day | — |
| 11:00 PM | 12:00 PM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in London and Honolulu do not overlap. Plan calls for early London morning or late London evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting London time to Honolulu time
London follows the Europe/London time zone (currently GMT+1, GMT+1), while Honolulu follows Pacific/Honolulu (currently HST, GMT-10). Honolulu is 11 hours behind London right now.
London observes daylight saving time, while Honolulu does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
London
- Spring forward · Sunday, March 29, 2026
- Fall back · Sunday, October 25, 2026
Honolulu
Does not observe daylight saving time.
Reverse this conversion
Honolulu to London
Open the converter
Plan a meeting between London and Honolulu
More conversions from London
Frequently asked questions
- How many hours is London from Honolulu?
- Honolulu is 11 hours behind London right now.
- What time is 9:00 AM London in Honolulu?
- 9:00 AM in London is 10:00 PM (previous day) in Honolulu.
- What time is 5:00 PM London in Honolulu?
- 5:00 PM in London is 6:00 AM in Honolulu.
- When do London and Honolulu business hours overlap?
- Standard 9 AM - 5 PM working hours in London and Honolulu do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between London and Honolulu?
- London observes daylight saving time while Honolulu does not, so the offset between them changes by one hour twice a year.
Local time page
Time in London
Local time page
Time in Honolulu