Sao Paulo to Round Rock, TX: time difference
Round Rock, TX is 2 h behind Sao Paulo. 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.
Sao Paulo 04:13 4:13 AM Round Rock, TX 02:13 2:13 AM You –:–
04:13 4:13 AM
Brasilia Standard Time · UTC-3
☀️ 05:32 · 🌙 18:13
02:13 2:13 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:57
·
−2 h
Round Rock, TX is 2 h behind Sao Paulo.
When you, Sao Paulo and Round Rock, TX are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Sao Paulo
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
🇺🇸 Round Rock, TX
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 20 8 PM 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Sao Paulo | 🇺🇸 Round Rock, TX |
|---|---|---|
| Local time | 04:13 | 02:13 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Sao Paulo | — | −2 h |
| IANA zone | America/Sao Paulo | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:32 | 07:36 |
| Sunset | 18:13 | 18:57 |
| Daylight | 12 h 41 min | 11 h 22 min |
| People on this clock | 11,451,999 | 119,468 |
Compare Sao Paulo with another city
More comparisons with Sao Paulo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Paulo and Round Rock, TX: common questions
How far behind Sao Paulo is Round Rock, TX?
Round Rock is 2 hours behind Sao Paulo: UTC−5 against UTC−3.
What time is it in Round Rock, TX, at the start of the working day in Sao Paulo?
The working day in Sao Paulo starts at 9:00 AM; in Round Rock it is 7:00 AM at that moment.
What time is it in Round Rock, TX, when it is 6:00 PM in Sao Paulo?
When it is 6:00 PM in Sao Paulo, it is 4:00 PM in Round Rock.
When is a good time to call Round Rock, TX, from Sao Paulo?
Between 11:00 AM and 6:00 PM in Sao Paulo – that is 9:00 AM to 4:00 PM in Round Rock – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Round Rock, TX?
Until 2:00 AM in Sao Paulo it is still the previous day in Round Rock. The other way round, from 10:00 PM in Round Rock it is already the next day in Sao Paulo.
Does the time gap between Sao Paulo and Round Rock, TX, change during the year?
Yes – daylight saving time is used in Round Rock but not in Sao Paulo. From November 1, 2026, Round Rock will be 3 hours behind Sao Paulo.
