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PT to UK time converter
London is 8 hours ahead of US Pacific for 337 days of 2026, and 7 hours ahead of for the other 28 days, because daylight saving changes the gap.
PT to UK conversion table
Local time in US Pacific and the matching time in London on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Pacific (PT) | London on 15 January | London on 15 July |
|---|---|---|
| 08:00 | 16:00 | 16:00 |
| 09:00 | 17:00 | 17:00 |
| 10:00 | 18:00 | 18:00 |
| 12:00 | 20:00 | 20:00 |
| 15:00 | 23:00 | 23:00 |
| 17:00 | 01:00 (+1 day) | 01:00 (+1 day) |
| 18:00 | 02:00 (+1 day) | 02:00 (+1 day) |
| 21:00 | 05:00 (+1 day) | 05:00 (+1 day) |
Best meeting times between US Pacific and London
- January: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 PT = 15:00-21:00 UK.
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 PT = 15:00-21:00 UK.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between PT and UK
- US Pacific moves its clocks forward on 8 March and back on 1 November in 2026.
- London moves its clocks forward on 29 March and back on 25 October in 2026.
- The gap is 8 hours for 337 days and 7 hours for 28 days of 2026.
About the two zones
US Pacific. US Pacific Time is UTC-8 in winter (PST) and UTC-7 in summer (PDT). Clocks change on the second Sunday of March and the first Sunday of November.
London. The UK is on GMT (UTC+0) in winter and British Summer Time (UTC+1) from the last Sunday of March to the last Sunday of October.
Frequently asked questions
What time is 9 AM PT in UK?
On 15 January, 09:00 in US Pacific is 17:00 in London. On 15 July it is 17:00.
What is the time difference between US Pacific and London?
London is 8 hours ahead of US Pacific for 337 days of 2026, and 7 hours ahead of for the other 28 days, because daylight saving changes the gap.
Does the time difference between PT and UK change during the year?
Yes. Both zones change their clocks, on different dates, so the gap moves between 8 and 7 hours. Always convert with the actual date.
When is the best time for a meeting between US Pacific and London?
No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 PT = 15:00-21:00 UK. In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 PT = 15:00-21:00 UK.
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.