Time Difference Between Pacific Time and United Kingdom
As of 31 August 2026, United Kingdom is 8 hours ahead of Pacific Time. That number is not constant. Over the course of a year, because of daylight saving changes, London, United Kingdom ranges from 7 hours ahead to 8 hours ahead relative to Pacific Time, United States. The calculator below is always up to date.
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Pacific Time, United States
15:34
Mon, Aug 31, 2026
UTC-7 · PDT · America/Los_Angeles
London, United Kingdom
+8h23:34
Mon, Aug 31, 2026
UTC+1 · Europe/London
United Kingdom is 8 hours ahead of Pacific Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Pacific Time | Monday, August 31, 2026 | PDTAmerica/Los_Angeles | UTC-7 | Active now |
| United Kingdom | Monday, August 31, 2026 | Europe/London | UTC+1 | Active now |
Pacific Time: Covers the US West Coast, from Los Angeles to Seattle to San Francisco. Switches between PST (UTC-8) and PDT (UTC-7) with daylight saving.
Hour by hour: Pacific Time to United Kingdom
Every hour of today in Pacific Time and what it is in United Kingdom. Highlighted rows fall inside United Kingdom working hours (09:00–18:00).
| Pacific Time | United Kingdom |
|---|---|
| 00:00 | 08:00 |
| 01:00 | 09:00 |
| 02:00 | 10:00 |
| 03:00 | 11:00 |
| 04:00 | 12:00 |
| 05:00 | 13:00 |
| 06:00 | 14:00 |
| 07:00 | 15:00 |
| 08:00 | 16:00 |
| 09:00 | 17:00 |
| 10:00 | 18:00 |
| 11:00 | 19:00 |
| Pacific Time | United Kingdom |
|---|---|
| 12:00 | 20:00 |
| 13:00 | 21:00 |
| 14:00 | 22:00 |
| 15:00 | 23:00 |
| 16:00 | 00:00next day |
| 17:00 | 01:00next day |
| 18:00 | 02:00next day |
| 19:00 | 03:00next day |
| 20:00 | 04:00next day |
| 21:00 | 05:00next day |
| 22:00 | 06:00next day |
| 23:00 | 07:00next day |
Best time to call or meet
Overlapping working hours
09:00–10:00 in Pacific Time (17:00–18:00 in United Kingdom)
Both places are inside 09:00–18:00 for 1 hour a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–13:00 in Pacific Time (16:00–21:00 in United Kingdom)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
United Kingdom puts its clocks back on Sunday, October 25, 2026
The local offset moves from UTC+1 to UTC. After that date, United Kingdom is 7 hours ahead of Pacific Time — instead of 8 hours ahead, as it is today.
Pacific Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-7 to UTC-8. The gap between Pacific Time and United Kingdom stays at 8 hours because both places change at the same time.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Pacific Time and United Kingdom: common questions
What is the time difference between Pacific Time and United Kingdom?
As of 31 August 2026, United Kingdom is 8 hours ahead of Pacific Time. The gap is not fixed: across the year, United Kingdom ranges from 7 hours ahead to 8 hours ahead relative to Pacific Time, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Pacific Time, what time is it in United Kingdom?
It is 05:00 PM in London, United Kingdom. Use the time field in the calculator above to check any other hour.
Is United Kingdom ahead of or behind Pacific Time?
United Kingdom is ahead of Pacific Time by 8 hours at the moment. In practical terms, the working day in United Kingdom starts and ends earlier in Pacific Time terms.
Do Pacific Time and United Kingdom observe daylight saving time?
Both Pacific Time and United Kingdom change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, United Kingdom ranges from 7 hours ahead to 8 hours ahead relative to Pacific Time.
What is the best time to call United Kingdom from Pacific Time?
Working hours overlap between 09:00 and 10:00 Pacific Time time, which is 17:00 to 18:00 in United Kingdom. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Pacific Time, United States (UTC-7) and London, United Kingdom (UTC+1) were generated on Monday, August 31, 2026 UTC and refresh in your browser.