Seattle vs London time difference
London is 7 h ahead
Seattle 20:32 · London 03:32. From November 1 London will be 8 h ahead.
Seattle now
20:32:35
Saturday, October 24UTC-7, PDT
London now
03:32:35
Sunday, October 25UTC+0, GMT
Convert a time
Using today's difference: 7 h. From November 1: 8 h.
When the difference changes
-
1Nov 2026
Seattle moves its clocks one hour back in 8 days
The difference becomes 8 h: London ahead
-
14Mar 2027
Seattle moves its clocks one hour forward
The difference becomes 7 h: London ahead
-
28Mar 2027
London moves its clocks one hour forward
The difference becomes 8 h: London ahead
-
31Oct 2027
London moves its clocks one hour back
The difference becomes 7 h: London ahead
-
7Nov 2027
Seattle moves its clocks one hour back
The difference becomes 8 h: London ahead
Both cities change their clocks, on different dates.