London to Teresina
Converting a fixed time. Europe/London → America/Fortaleza · 7,480 km (4,645 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 here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| London | Teresina | 24h | Good to call? |
|---|---|---|---|
| 12am | 8pm Wed | 00:00 → 20:00 | asleep in London |
| 1am | 9pm Wed | 01:00 → 21:00 | asleep in London |
| 2am | 10pm Wed | 02:00 → 22:00 | asleep in Teresina |
| 3am | 11pm Wed | 03:00 → 23:00 | asleep in Teresina |
| 4am | 12am | 04:00 → 00:00 | asleep in Teresina |
| 5am | 1am | 05:00 → 01:00 | asleep in Teresina |
| 6am | 2am | 06:00 → 02:00 | asleep in Teresina |
| 7am | 3am | 07:00 → 03:00 | asleep in Teresina |
| 8am now | 4am | 08:00 → 04:00 | asleep in Teresina |
| 9am | 5am | 09:00 → 05:00 | asleep in Teresina |
| 10am | 6am | 10:00 → 06:00 | asleep in Teresina |
| 11am | 7am | 11:00 → 07:00 | awake, not at work |
| 12pm | 8am | 12:00 → 08:00 | awake, not at work |
| 1pm | 9am | 13:00 → 09:00 | both at work |
| 2pm | 10am | 14:00 → 10:00 | both at work |
| 3pm | 11am | 15:00 → 11:00 | both at work |
| 4pm | 12pm | 16:00 → 12:00 | both at work |
| 5pm | 1pm | 17:00 → 13:00 | awake, not at work |
| 6pm | 2pm | 18:00 → 14:00 | awake, not at work |
| 7pm | 3pm | 19:00 → 15:00 | awake, not at work |
| 8pm | 4pm | 20:00 → 16:00 | awake, not at work |
| 9pm | 5pm | 21:00 → 17:00 | awake, not at work |
| 10pm | 6pm | 22:00 → 18:00 | asleep in London |
| 11pm | 7pm | 23:00 → 19:00 | asleep in London |
Call times
Both places are at work between 1pm and 17:00 in London — 9am to 12pm at the other end.
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Questions people ask
What time is it in Teresina when it is 7:45 pm in London?
3:45 pm in Teresina the same day.
How many hours ahead is Teresina of London?
Teresina is 4 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 Teresina?
Both places are at work between 1pm and 17:00 in London — 9am to 12pm at the other end.
When does the difference between London and Teresina change?
London: Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change). Teresina does not change its clocks, so the gap shifts by an hour on that date.