All Comparisons
Time Difference: Seattle vs London
Current time in both cities, business hours overlap, and best meeting times for teams working across Seattle and London.
Seattle
—
United States
London
—
United Kingdom
London is 8h ahead of Seattle
UTC offset: Seattle -7h · London +1h
Business Hours Overlap
Hours when both Seattle and London are in business hours (9 AM–5 PM local).
00:00 UTC12:00 UTC23:00 UTC
Both in business hours Seattle only London only
No business hours overlap
Seattle and London have no shared 9 AM–5 PM window. Consider early morning or late evening calls.
Convert a Time
Enter a time in Seattle to see what it is in London.
Working with teammates in Seattle and London?
Timely automatically converts times in Slack so everyone sees messages in their local timezone — no mental math required.