Lisbon to Boa Vista: time difference
Boa Vista is 5 h behind Lisbon. 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.
Lisbon 15:01 3:01 PM Boa Vista 10:01 10:01 AM You –:–
15:01 3:01 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
10:01 10:01 AM
Amazon Standard Time · UTC-4
☀️ 05:47 · 🌙 17:50
·
−5 h
Boa Vista is 5 h behind Lisbon.
When you, Lisbon and Boa Vista are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇧🇷 Boa Vista
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇧🇷 Boa Vista |
|---|---|---|
| Local time | 15:01 | 10:01 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Amazon Standard Time |
| UTC offset | UTC+1 | UTC-4 |
| Offset from Lisbon | — | −5 h |
| IANA zone | Europe/Lisbon | America/Boa Vista |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:50 | 05:47 |
| Sunset | 18:54 | 17:50 |
| Daylight | 11 h 4 min | 12 h 3 min |
| People on this clock | 545,923 | 413,486 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Boa Vista: common questions
How far behind Lisbon is Boa Vista?
Boa Vista is 5 hours behind Lisbon: UTC−4 against UTC+1.
What time is it in Boa Vista at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Boa Vista it is 4:00 AM at that moment.
If it is 6:00 PM in Lisbon, what time is it in Boa Vista?
At 6:00 PM in Lisbon, clocks in Boa Vista show 1:00 PM.
When is a good time to call Boa Vista from Lisbon?
Between 2:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 1:00 PM in Boa Vista – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Boa Vista compared with Lisbon?
The new day starts in Boa Vista later: until 5:00 AM in Lisbon, it is still the previous day there. From 7:00 PM in Boa Vista, Lisbon is already on the next day.
Does the time gap between Lisbon and Boa Vista change during the year?
Yes – daylight saving time is used in Lisbon but not in Boa Vista. From October 25, 2026, Boa Vista will be 4 hours behind Lisbon.
