Austin, TX to Rio das Ostras: time difference
Rio das Ostras is 2 h ahead of Austin, TX. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Austin, TX 02:51 2:51 AM Rio das Ostras 04:51 4:51 AM You –:–
02:51 2:51 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:57
04:51 4:51 AM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 17:54
·
+2 h
Rio das Ostras is 2 h ahead of Austin, TX.
When you, Austin, TX 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
🇺🇸 Austin, TX
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
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 0 12 AM 1 1 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇧🇷 Rio das Ostras |
|---|---|---|
| Local time | 02:51 | 04:51 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Austin, TX | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 05:13 |
| Sunset | 18:57 | 17:54 |
| Daylight | 11 h 21 min | 12 h 41 min |
| People on this clock | 974,447 | 156,491 |
Compare Austin, TX with another city
More comparisons with Austin, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Austin, TX and Rio das Ostras: common questions
How many hours ahead of Austin, TX, is Rio das Ostras?
The clocks in Rio das Ostras are 2 hours ahead of those in Austin (UTC−3 and UTC−5).
What time is it in Rio das Ostras at the start of the working day in Austin, TX?
The working day in Austin starts at 9:00 AM; in Rio das Ostras it is 11:00 AM at that moment.
What time is it in Rio das Ostras at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Rio das Ostras it is 8:00 PM at that moment.
When is a good time to call Rio das Ostras from Austin, TX?
Between 9:00 AM and 4:00 PM in Austin – that is 11:00 AM to 6:00 PM in Rio das Ostras – both places are within working hours (9:00 AM–6:00 PM).
From what time in Austin, TX, is it tomorrow in Rio das Ostras?
Once it is 10:00 PM in Austin, the date in Rio das Ostras has already changed. Until 2:00 AM in Rio das Ostras, it is still the previous day in Austin.
Is the time difference between Austin, TX, and Rio das Ostras the same all year?
No. Only Austin switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio das Ostras will be 3 hours ahead of Austin.
