Time Difference: London to Portland
Click a time to convert
London vs Portland timezone guide
London (UK) uses the Europe/London timezone at UTC+0, while Portland (US) uses America/Los_Angeles at UTC-8. This means Portland is 8 hours behind London (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between London and Portland
Standard 9-to-5 working hours in London and Portland do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.
Hour-by-hour planner
| London | Portland | Status |
|---|---|---|
| 6am | 10pm | London early, Portland late evening |
| 7am | 11pm | London early, Portland late evening |
| 8am | 12am | London early, Portland asleep |
| 9am | 1am | London working hours, Portland asleep |
| 10am | 2am | London working hours, Portland asleep |
| 11am | 3am | London working hours, Portland asleep |
| 12pm | 4am | London working hours, Portland asleep |
| 1pm | 5am | London working hours, Portland asleep |
| 2pm | 6am | One side outside 9-to-5 but still awake |
| 3pm | 7am | One side outside 9-to-5 but still awake |
| 4pm | 8am | One side outside 9-to-5 but still awake |
| 5pm | 9am | One side outside 9-to-5 but still awake |
| 6pm | 10am | One side outside 9-to-5 but still awake |
| 7pm | 11am | One side outside 9-to-5 but still awake |
| 8pm | 12pm | One side outside 9-to-5 but still awake |
| 9pm | 1pm | One side outside 9-to-5 but still awake |
| 10pm | 2pm | London late evening, Portland working hours |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between London and Portland
Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 8 hours ahead temporarily shifts.
- Mar 8 → Mar 29Difference temporarily 7 hours ahead.
- Oct 25 → Nov 1Difference temporarily 7 hours ahead.
London transitions on March 29, 2026 and October 25, 2026. Portland transitions on March 8, 2026 and November 1, 2026.
Distance between London and Portland
London and Portland are 7,907 km apart along the great-circle route. A direct flight takes roughly ~10h 18m, depending on aircraft type, winds, and routing.