Lisbon to Rio das Ostras: time difference
Rio das Ostras is 4 h behind Lisbon. 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.
Lisbon 09:28 9:28 AM Rio das Ostras 05:28 5:28 AM You –:–
09:28 9:28 AM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
05:28 5:28 AM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 17:54
·
−4 h
Rio das Ostras is 4 h behind Lisbon.
When you, Lisbon and Rio das Ostras 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
🇧🇷 Rio das Ostras
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 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇧🇷 Rio das Ostras |
|---|---|---|
| Local time | 09:28 | 05:28 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Brasilia Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Lisbon | — | −4 h |
| IANA zone | Europe/Lisbon | America/Sao Paulo |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:50 | 05:13 |
| Sunset | 18:54 | 17:54 |
| Daylight | 11 h 4 min | 12 h 41 min |
| People on this clock | 545,923 | 156,491 |
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 Rio das Ostras: common questions
How many hours behind Lisbon is Rio das Ostras?
The clocks in Rio das Ostras are 4 hours behind those in Lisbon (UTC−3 and UTC+1).
What time is it in Rio das Ostras at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Rio das Ostras it is 5:00 AM at that moment.
What time is it in Rio das Ostras at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Rio das Ostras it is 2:00 PM at that moment.
Is there a time when both Lisbon and Rio das Ostras are at work?
Yes: from 1:00 PM to 6:00 PM in Lisbon (9:00 AM to 2:00 PM in Rio das Ostras), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Lisbon is it still yesterday in Rio das Ostras?
Before 4:00 AM in Lisbon, the date in Rio das Ostras has not changed yet. From 8:00 PM in Rio das Ostras, it is already the next day in Lisbon.
Does the time gap between Lisbon and Rio das Ostras change during the year?
Yes – daylight saving time is used in Lisbon but not in Rio das Ostras. From October 25, 2026, Rio das Ostras will be 3 hours behind Lisbon.
