London to Portland Time Difference
Portland is 8 hours behind London. When it is noon in London, it is 04:00 in Portland.
London (UTC+1) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 05:00 in London, it's 21:00 in Portland
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
London & Portland◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
7,906 km
Est. Flight Time
~10.3h
Time Difference
-8h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
London
22:00
Portland (-1)
09:00
London
01:00
Portland
12:00
London
04:00
Portland
15:00
London
07:00
Portland
18:00
London
10:00
Portland
21:00
London
13:00
Portland
00:00
London
16:00
Portland (-1)
03:00
London
19:00
Portland (-1)
Frequently Asked Questions
How many hours is London ahead of Portland?
Portland is 8 hours behind London. When it is 12:00 noon in London, it is 04:00 in Portland. London operates on Europe/London (UTC+1), while Portland uses America/Los Angeles (UTC-7).
What is the best time to call Portland from London?
There is 1 hour of overlapping business time (9 AM–5 PM) between London and Portland. The best window is 17:00–18:00 London time (09:00–10:00 in Portland).
Does the London to Portland time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between London and Portland
The distance between London and Portland is approximately 7,906 km. A direct flight typically takes around 10.3 hours. Your arrival clock will show local Portland time — use our Flight Time Calculator to predict exact arrival times.