Bilateral Time Zone Comparison
London to Seattle Time Difference
Seattle is 8 hours behind London. Find the best meeting hours, check live atomic clocks, and coordinate UK-to-Washington State schedules smoothly.
Quick Answer: Seattle is exactly 8 hours behind of London. When it is 12:00 PM (Noon) in London, it is 4:00 AM in Seattle. Outside standard daytime business hours.
Reference City
UTC +1London
Saturday, October 10, 2026
5:21:43
Europe/LondonTarget City
UTC -7Seattle
Saturday, October 10, 2026
9:21:43
America/Los_AngelesExact Difference Summary
Seattle is 8 hours ahead of London
When it is 12:00 PM (Noon) in London, it is 8 hours ahead in Seattle.
24-Hour Time Conversion & Business Overlap
Highlighted green rows represent mutual office hours (9:00 AM – 6:00 PM).
Shared Business Hours
Lon:00:00
Sea:16:00
Lon:01:00
Sea:17:00
Lon:02:00
Sea:18:00
Lon:03:00
Sea:19:00
Lon:04:00
Sea:20:00
Lon:05:00
Sea:21:00
Lon:06:00
Sea:22:00
Lon:07:00
Sea:23:00
Lon:08:00
Sea:00:00
Lon:09:00
Sea:01:00
Lon:10:00
Sea:02:00
Lon:11:00
Sea:03:00
Lon:12:00
Sea:04:00
Lon:13:00
Sea:05:00
Lon:14:00
Sea:06:00
Lon:15:00
Sea:07:00
Lon:16:00
Sea:08:00
Lon:17:00
Sea:09:00
Lon:18:00
Sea:10:00
Lon:19:00
Sea:11:00
Lon:20:00
Sea:12:00
Lon:21:00
Sea:13:00
Lon:22:00
Sea:14:00
Lon:23:00
Sea:15:00
Hourly Comparison Table
London to Seattle Hourly Time Chart
Hour-by-hour cross-reference table for planning transatlantic calls, remote handoffs, and meetings between London (United Kingdom) and Seattle (United States).
| London Local Time | Seattle Local Time |
|---|---|
| 8:00 AM (London) | 12:00 AM (Seattle) |
| 9:00 AM (London) | 1:00 AM (Seattle) |
| 10:00 AM (London) | 2:00 AM (Seattle) |
| 11:00 AM (London) | 3:00 AM (Seattle) |
| 12:00 PM (London) | 4:00 AM (Seattle) |
| 1:00 PM (London) | 5:00 AM (Seattle) |
| 2:00 PM (London) | 6:00 AM (Seattle) |
| 3:00 PM (London) | 7:00 AM (Seattle) |
| 4:00 PM (London) | 8:00 AM (Seattle) |
| 5:00 PM (London) | 9:00 AM (Seattle) |
| 6:00 PM (London) | 10:00 AM (Seattle) |
| 7:00 PM (London) | 11:00 AM (Seattle) |
| 8:00 PM (London) | 12:00 PM (Seattle) |
Reverse Direction
Seattle to London Time Difference
View London from the perspective of Seattle with reciprocal business overlap.
View Reciprocal Clocks
Reference City Profile
Current Time in London, United Kingdom
Live atomic clock, daylight saving schedule, sunrise and sunset in London.
Explore London Clocks
Target City Profile
Current Time in Seattle, United States
Live atomic clock, daylight saving schedule, sunrise and sunset in Seattle.
Explore Seattle Clocks
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Transcontinental Coordination
UK to Pacific Time 8-Hour Time Gap
Seattle is 8 hours behind London. For European teams collaborating with tech leaders in the Puget Sound region, afternoon working hours provide the essential live touchpoint.
Use our interactive comparison grid to check live seconds, plan sprint reviews, and ensure meetings fit comfortably into everyone's day.
Late Afternoon London Meetings with Morning Seattle
Compare reciprocal schedules, verify working hour alignments, and schedule with confidence.
Managing Bi-Continental Team Collaboration
Compare reciprocal schedules, verify working hour alignments, and schedule with confidence.
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Google SERP Verified
Seattle is normally 8 hours behind London.
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