Westborough, MA to Sao Paulo: time difference
Sao Paulo is 1 h ahead of Westborough, MA. 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.
Westborough, MA 02:52 2:52 AM Sao Paulo 03:52 3:52 AM You –:–
02:52 2:52 AM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 17:55
03:52 3:52 AM
Brasilia Standard Time · UTC-3
☀️ 05:28 · 🌙 18:15
·
+1 h
Sao Paulo is 1 h ahead of Westborough, MA.
When you, Westborough, MA and Sao Paulo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Westborough, MA
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
🇧🇷 Sao Paulo
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Westborough, MA | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 02:52 | 03:52 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Westborough, MA | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:08 | 05:28 |
| Sunset | 17:55 | 18:15 |
| Daylight | 10 h 47 min | 12 h 46 min |
| People on this clock | 18,634 | 11,451,999 |
Compare Westborough, MA with another city
More comparisons with Westborough, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Westborough, MA and Sao Paulo: common questions
What is the time difference between Westborough, MA, and Sao Paulo?
Sao Paulo is 1 hour ahead: it uses UTC−3, while Westborough is on UTC−4.
What time is it in Sao Paulo when it is 9:00 AM in Westborough, MA?
When it is 9:00 AM in Westborough, it is 10:00 AM in Sao Paulo.
What time is it in Sao Paulo when it is 6:00 PM in Westborough, MA?
When it is 6:00 PM in Westborough, it is 7:00 PM in Sao Paulo.
When is a good time to call Sao Paulo from Westborough, MA?
Between 9:00 AM and 5:00 PM in Westborough – that is 10:00 AM to 6:00 PM in Sao Paulo – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sao Paulo compared with Westborough, MA?
The new day starts in Sao Paulo earlier: at 11:00 PM in Westborough it is already midnight there. Until 1:00 AM in Sao Paulo, Westborough is still on the previous day.
Is the time difference between Westborough, MA, and Sao Paulo the same all year?
No. Only Westborough switches to summer time, so the gap changes twice a year. From November 1, 2026, Sao Paulo will be 2 hours ahead of Westborough.
