Houston to London
Converting a fixed time. America/Chicago → Europe/London · 7,803 km (4,845 miles) apart
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change).
Convert a specific time minutes work, not just whole hours
Hour by hour
| Houston | London | 24h | Good to call? |
|---|---|---|---|
| 12am | 6am | 00:00 → 06:00 | asleep in London |
| 1am | 7am | 01:00 → 07:00 | asleep in Houston |
| 2am | 8am | 02:00 → 08:00 | asleep in Houston |
| 3am | 9am | 03:00 → 09:00 | asleep in Houston |
| 4am | 10am | 04:00 → 10:00 | asleep in Houston |
| 5am | 11am | 05:00 → 11:00 | asleep in Houston |
| 6am | 12pm | 06:00 → 12:00 | asleep in Houston |
| 7am | 1pm | 07:00 → 13:00 | awake, not at work |
| 8am | 2pm | 08:00 → 14:00 | awake, not at work |
| 9am | 3pm | 09:00 → 15:00 | both at work |
| 10am | 4pm | 10:00 → 16:00 | both at work |
| 11am | 5pm | 11:00 → 17:00 | awake, not at work |
| 12pm | 6pm | 12:00 → 18:00 | awake, not at work |
| 1pm | 7pm | 13:00 → 19:00 | awake, not at work |
| 2pm | 8pm | 14:00 → 20:00 | awake, not at work |
| 3pm | 9pm | 15:00 → 21:00 | awake, not at work |
| 4pm | 10pm | 16:00 → 22:00 | asleep in London |
| 5pm | 11pm | 17:00 → 23:00 | asleep in London |
| 6pm | 12am Thu | 18:00 → 00:00 | asleep in London |
| 7pm | 1am Thu | 19:00 → 01:00 | asleep in London |
| 8pm | 2am Thu | 20:00 → 02:00 | asleep in London |
| 9pm | 3am Thu | 21:00 → 03:00 | asleep in London |
| 10pm | 4am Thu | 22:00 → 04:00 | asleep in London |
| 11pm now | 5am Thu | 23:00 → 05:00 | asleep in London |
Call times
Both places are at work between 9am and 11:00 in Chicago — 3pm to 4pm at the other end.
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Questions people ask
What time is it in London when it is 3:30 pm in Houston?
9:30 pm in London the same day.
How many hours ahead is London of Houston?
London is 6 hours ahead Houston. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between Houston and London?
Both places are at work between 9am and 11:00 in Chicago — 3pm to 4pm at the other end.
When does the difference between Houston and London change?
Houston: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change). London: Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change).