Time Difference: Houston vs London
Houston
3:05:51 AM CDT
Sunday, October 25, 2026
5h
5h
London
8:05:51 AM GMT
Sunday, October 25, 2026
London is 5 hours ahead of Houston.
Quick Reference
- Houston
- CDT (GMT-5)
CST starts on Nov 1, 2026
- London
- GMT (GMT+0)
BST starts on Mar 28, 2027
Frequently Asked Questions
- What is the time difference between Houston and London?
- London is 5 hours ahead of Houston.
- When is the best time to call from Houston to London?
- The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
- Does the time difference change with daylight saving time?
- The time difference may change when either city enters or exits daylight saving time. Houston uses CDT and London uses GMT.