San Antonio vs London time difference
London is 6 h ahead
San Antonio 15:19 · London 21:19. From October 25 London will be 5 h ahead.
San Antonio now
Saturday, October 10UTC-5, CDT
London now
Saturday, October 10UTC+1, BST
Convert a time
Using today's difference: 6 h. From October 25: 5 h.
When the difference changes
-
25Oct 2026
London moves its clocks one hour back in 15 days
The difference becomes 5 h: London ahead
-
1Nov 2026
San Antonio moves its clocks one hour back
The difference becomes 6 h: London ahead
-
14Mar 2027
San Antonio moves its clocks one hour forward
The difference becomes 5 h: London ahead
-
28Mar 2027
London moves its clocks one hour forward
The difference becomes 6 h: London ahead
-
31Oct 2027
London moves its clocks one hour back
The difference becomes 5 h: London ahead
-
7Nov 2027
San Antonio moves its clocks one hour back
The difference becomes 6 h: London ahead
Both cities change their clocks, on different dates.