London to Portland Time Difference

Portland is 8 hours behind London. Standard 9 AM–5 PM business hours in London and Portland do not overlap, so a live call needs one side outside normal hours. Clocks change on October 25, 2026, which briefly shifts the gap between London and Portland — the converter on this page always reflects the correct offset for the date you pick.

• When it's 9:00 AM in London, it's 1:00 AM in Portland.
• When it's 9:00 AM in Portland, it's 5:00 PM in London.

Portland is currently 8 hours behind London.

Standard 9 AM – 5 PM hours in London and Portland do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in London, or a 6–8 PM meeting in Portland.

On October 25, 2026, London shifts for daylight saving. After that, Portland will be 7 hours behind London (currently 8 hours behind London). The converter and the tables above always reflect the correct offset for the date you pick.

• London is currently observing daylight saving time.
• Portland is currently observing daylight saving time.

Frequently asked questions

Is Portland ahead of or behind London?

Portland is 8 hours behind London.

How many hours behind London is Portland?

Portland is 8 hours behind London.

What time is 9 AM in London in Portland?

9:00 AM in London is 1:00 AM in Portland.

What time is noon in London in Portland?

12:00 PM in London is 4:00 AM in Portland.

What time is 5 PM in London in Portland?

5:00 PM in London is 9:00 AM in Portland. Useful for end-of-day handoffs between the two offices.

What time is 3 PM in London in Portland?

3:00 PM in London is 7:00 AM in Portland.

Is London currently observing daylight saving time?

London is currently observing daylight saving time (summer time).

Is Portland currently observing daylight saving time?

Portland is currently observing daylight saving time (summer time).

Do London and Portland observe daylight saving?

On October 25, 2026, London shifts for daylight saving. After that, Portland will be 7 hours behind London (currently 8 hours behind London). The converter and the tables above always reflect the correct offset for the date you pick.

When is the best time to call Portland from London?

London and Portland business hours don't overlap. The closest options are early mornings in London or late evenings, when one side stretches outside 9–5.

When is the best time to call London from Portland?

Portland and London business hours don't overlap. The closest options are early mornings in Portland or late evenings, when one side stretches outside 9–5.

London (BST) to Portland (PDT) — how do I convert quickly?

Subtract 8 hours from London local time to get Portland local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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