Teresina to London: time difference
London is 3 h ahead of Teresina. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Teresina 22:16 10:16 PM London 01:16 1:16 AM You –:–
22:16 10:16 PM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:45
01:16 1:16 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
+3 h
London is 3 h ahead of Teresina.
When you, Teresina and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Teresina
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇬🇧 London
3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Teresina | 🇬🇧 London |
|---|---|---|
| Local time | 22:16 | 01:16 |
| Local date | Thursday, November 5, 2026 | Friday, November 6, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Teresina | — | +3 h |
| IANA zone | America/Fortaleza | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:26 | 07:03 |
| Sunset | 17:45 | 16:27 |
| Daylight | 12 h 18 min | 9 h 24 min |
| People on this clock | 866,300 | 8,908,083 |
Compare Teresina with another city
More comparisons with Teresina: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Teresina and London: common questions
What is the time difference between Teresina and London?
London is 3 hours ahead: it uses UTC+0, while Teresina is on UTC−3.
If it is 9:00 AM in Teresina, what time is it in London?
At 9:00 AM in Teresina, clocks in London show 12:00 PM.
What time is it in London when it is 6:00 PM in Teresina?
When it is 6:00 PM in Teresina, it is 9:00 PM in London.
When is a good time to call London from Teresina?
Between 9:00 AM and 3:00 PM in Teresina – that is 12:00 PM to 6:00 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in London?
From 9:00 PM in Teresina it is already the next day in London. The other way round, until 3:00 AM in London it is still the previous day in Teresina.
Does the time difference between Teresina and London change?
Yes. The clocks change only in London. From March 28, 2027, London will be 4 hours ahead of Teresina.
