Boston to São Paulo time converter
São Paulo is 1 hour ahead of Boston. When it is 9:00 AM in Boston, it is 10:00 AM in São Paulo.
3:18 PM in Boston, Friday, October 16, 2026
Boston to São Paulo conversion table
Every hour of today in Boston and the matching time in São Paulo. Light rows are typical working hours (9:00–18:00).
| Boston | São Paulo |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 5:00 PM in Boston (10:00 AM – 6:00 PM in São Paulo).
Daylight saving time and the difference
The difference changes during the year because Boston and São Paulo switch clocks on different dates:
- Oct 16, 2026 – Nov 1, 2026: +1h
- Nov 1, 2026 – Mar 14, 2027: +2h
- Mar 14, 2027 – Oct 16, 2027: +1h
Distance
Boston and São Paulo are 7,746 km (4,813 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Boston and São Paulo?
São Paulo is 1 hour ahead of Boston.
What time is it in São Paulo when it is 9 AM in Boston?
When it is 9:00 AM in Boston, it is 10:00 AM in São Paulo.
When is the best time to call São Paulo from Boston?
Both sides are at work from 9:00 AM – 5:00 PM in Boston (10:00 AM – 6:00 PM in São Paulo).
Does the time difference between Boston and São Paulo change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.