Portland to London Time Difference
London is 8 hours ahead of Portland. When it is noon in Portland, it is 20:00 in London.
Los Angeles (UTC-7) → London (UTC+1)
🕐 Interactive Time Explorer
When it's 17:00 in Portland, it's 01:00 in London
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Portland & London◐ 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
Portland
14:00
London
09:00
Portland
17:00
London
12:00
Portland
20:00
London
15:00
Portland
23:00
London
18:00
Portland
02:00
London (+1)
21:00
Portland
05:00
London (+1)
00:00
Portland
08:00
London
03:00
Portland
11:00
London
Frequently Asked Questions
How many hours is Portland behind London?
London is 8 hours ahead of Portland. When it is 12:00 noon in Portland, it is 20:00 in London. Portland operates on America/Los Angeles (UTC-7), while London uses Europe/London (UTC+1).
What is the best time to call London from Portland?
Standard business hours (9 AM–5 PM) do not overlap between Portland and London due to the 8 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Portland to London 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 Portland and London
The distance between Portland and London is approximately 7,906 km. A direct flight typically takes around 10.3 hours. Your arrival clock will show local London time — use our Flight Time Calculator to predict exact arrival times.