London to St. Louis
Converting a fixed time. Europe/London → America/Chicago · 6,760 km (4,198 miles) apart
Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change).
Clocks go back 1 hour on Sunday, 1st November 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
| London | St. Louis | 24h | Good to call? |
|---|---|---|---|
| 12am | 6pm Wed | 00:00 → 18:00 | asleep in London |
| 1am | 7pm Wed | 01:00 → 19:00 | asleep in London |
| 2am | 8pm Wed | 02:00 → 20:00 | asleep in London |
| 3am | 9pm Wed | 03:00 → 21:00 | asleep in London |
| 4am | 10pm Wed | 04:00 → 22:00 | asleep in St. Louis |
| 5am | 11pm Wed | 05:00 → 23:00 | asleep in St. Louis |
| 6am | 12am | 06:00 → 00:00 | asleep in St. Louis |
| 7am | 1am | 07:00 → 01:00 | asleep in St. Louis |
| 8am | 2am | 08:00 → 02:00 | asleep in St. Louis |
| 9am | 3am | 09:00 → 03:00 | asleep in St. Louis |
| 10am | 4am | 10:00 → 04:00 | asleep in St. Louis |
| 11am | 5am | 11:00 → 05:00 | asleep in St. Louis |
| 12pm now | 6am | 12:00 → 06:00 | asleep in St. Louis |
| 1pm | 7am | 13:00 → 07:00 | awake, not at work |
| 2pm | 8am | 14:00 → 08:00 | awake, not at work |
| 3pm | 9am | 15:00 → 09:00 | both at work |
| 4pm | 10am | 16:00 → 10:00 | both at work |
| 5pm | 11am | 17:00 → 11:00 | awake, not at work |
| 6pm | 12pm | 18:00 → 12:00 | awake, not at work |
| 7pm | 1pm | 19:00 → 13:00 | awake, not at work |
| 8pm | 2pm | 20:00 → 14:00 | awake, not at work |
| 9pm | 3pm | 21:00 → 15:00 | awake, not at work |
| 10pm | 4pm | 22:00 → 16:00 | asleep in London |
| 11pm | 5pm | 23:00 → 17:00 | asleep in London |
Call times
Both places are at work between 3pm and 17:00 in London — 9am to 10am at the other end.
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Questions people ask
What time is it in St. Louis when it is 11:00 pm in London?
5:00 pm in St. Louis the same day.
How many hours ahead is St. Louis of London?
St. Louis is 6 hours behind London. 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 London and St. Louis?
Both places are at work between 3pm and 17:00 in London — 9am to 10am at the other end.
When does the difference between London and St. Louis change?
London: Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change). St. Louis: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).