Teresina to Lisbon: time difference
Lisbon is 4 h ahead of Teresina. Live clocks for both, the working hours they share, and how each one sits against your own time.
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Teresina 00:13 12:13 AM Lisbon 04:13 4:13 AM You –:–
00:13 12:13 AM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 17:45
04:13 4:13 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+4 h
Lisbon is 4 h ahead of Teresina.
When you, Teresina and Lisbon 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
🇵🇹 Lisbon
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 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Teresina | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 00:13 | 04:13 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Western European Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Teresina | — | +4 h |
| IANA zone | America/Fortaleza | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:33 | 07:41 |
| Sunset | 17:45 | 19:07 |
| Daylight | 12 h 11 min | 11 h 26 min |
| People on this clock | 866,300 | 545,923 |
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 Lisbon: common questions
How many hours ahead of Teresina is Lisbon?
The clocks in Lisbon are 4 hours ahead of those in Teresina (UTC+1 and UTC−3).
What time is it in Lisbon when it is 9:00 AM in Teresina?
When it is 9:00 AM in Teresina, it is 1:00 PM in Lisbon.
What time is it in Lisbon when it is 6:00 PM in Teresina?
When it is 6:00 PM in Teresina, it is 10:00 PM in Lisbon.
When is a good time to call Lisbon from Teresina?
Between 9:00 AM and 2:00 PM in Teresina – that is 1:00 PM to 6:00 PM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Lisbon?
From 8:00 PM in Teresina it is already the next day in Lisbon. The other way round, until 4:00 AM in Lisbon it is still the previous day in Teresina.
Does the time difference between Teresina and Lisbon change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Lisbon will be 3 hours ahead of Teresina.
