The best time to call London from Honolulu is 7 AM–9 AM your time (Honolulu). London, UK is 11 hours ahead of Honolulu, USA. There is no standard business hours overlap, so one party will need to adjust their schedule.
Call between 7 AM–9 AM Honolulu time.
Honolulu and London have no overlapping standard business hours. One party will need to adjust.
The best time to call London from Honolulu is 7 AM–9 AM Honolulu time. There is no standard business hours overlap between these cities.
London is 11 hours ahead of Honolulu.
Avoid calling after 11 AM your time (it's late night there). Consider email or async communication for non-urgent matters.
No, Honolulu and London do not have overlapping standard business hours (9 AM – 5 PM). You will need to schedule calls outside normal hours for one party.
No business hours overlap. You'll need to call outside standard hours — 7 AM–9 AM your time is the least disruptive window.
Both in business hours Both awake One outside comfort zone Sleeping hours
No standard business hours overlap (9 AM – 5 PM) between Honolulu and London.
One party will need to adjust their schedule for calls.
| Honolulu (HST) | London (GMT+1) | Status |
|---|---|---|
| 7 AM | 6 PM | 🟡 They're awake |
| 8 AM | 7 PM | 🟡 They're awake |
| 9 AM | 8 PM | 🟡 They're awake |
| 10 AM | 9 PM | 🟡 They're awake |
| 11 AM | 10 PM | 🔴 They're sleeping |
| 12 PM | 11 PM | 🔴 They're sleeping |
| 1 PM | 12 AM | 🔴 They're sleeping |
| 2 PM | 1 AM | 🔴 They're sleeping |
| 3 PM | 2 AM | 🔴 They're sleeping |
| 4 PM | 3 AM | 🔴 They're sleeping |
| 5 PM | 4 AM | 🔴 They're sleeping |
| 6 PM | 5 AM | 🔴 They're sleeping |
| 7 PM | 6 AM | 🔴 They're sleeping |
| 8 PM | 7 AM | 🟡 They're awake |
| 9 PM | 8 AM | 🟡 They're awake |