Time Difference Between Portland and London

The time difference between Portland and London is 7 hours. When it is 12:00 noon in Portland, it is 19:00 in London. Portland uses the America/Los_Angeles time zone (UTC-7), while London uses Europe/London (UTC+0).

London is 7 hours ahead of Portland — 7 hours
Portland, United States
13:59:13
Thursday, March 26, 2026
UTC-7 · PDT (DST)
London, United Kingdom
20:59:13
Thursday, March 26, 2026
UTC+0 · GMT

Time Zone Details: Portland vs London

Detail Portland London
Time Zone IDAmerica/Los_AngelesEurope/London
UTC OffsetUTC-7UTC+0
AbbreviationPDTGMT
DST ActiveYes — currently observingNo
CountryUnited StatesUnited Kingdom
RegionNorth AmericaEurope

Best Time to Schedule a Call

There are 1 overlapping business hours between Portland and London (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–10:00 in Portland  =  16:00–17:00 in London

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Portland time to London time. Rows highlighted in green indicate overlapping business hours in both cities.

Portland London
00:00 07:00 Night
01:00 08:00 Night
02:00 09:00 Night
03:00 10:00 Night
04:00 11:00 Night
05:00 12:00 Night
06:00 13:00
07:00 14:00
08:00 15:00
09:00 16:00 Overlap
10:00 17:00
11:00 18:00
12:00 19:00
13:00 20:00
14:00 21:00
15:00 22:00
16:00 23:00
17:00 00:00 (+1 day)
18:00 01:00 (+1 day)
19:00 02:00 (+1 day)
20:00 03:00 (+1 day)
21:00 04:00 (+1 day)
22:00 05:00 (+1 day) Night
23:00 06:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Portland is currently observing daylight saving time, while London is on standard time. When Portland switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for Portland–London Scheduling

Compare Portland and London with Other Cities

From Portland

From London

Frequently Asked Questions

What is the time difference between Portland and London?

The time difference is 7 hours. London is 7 hours ahead of Portland.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from Portland to London?

The best window is between 09:00 and 10:00 Portland time, which corresponds to 16:00–17:00 in London. Both sides fall within normal business hours.

How do I convert Portland time to London time?

Add 7 hours to Portland time to get London time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.