São Paulo to Boulder time converter

Boulder is 3 hours behind São Paulo. When it is 9:00 AM in São Paulo, it is 6:00 AM in Boulder.

São Paulo BRT

Monday, October 19, 2026

Boulder MDT

Monday, October 19, 2026

São Paulo
Brazil
Mon, Oct 19
BRTUTC-3
Boulder
Colorado, United States
Mon, Oct 19
MDTUTC-6-3h
Finding your time zone…
Shared working hours (9:00–18:00)

São Paulo to Boulder conversion table

Every hour of today in São Paulo and the matching time in Boulder. Light rows are typical working hours (9:00–18:00).

São PauloBoulder
12:00 AM9:00 PM−1 day
1:00 AM10:00 PM−1 day
2:00 AM11:00 PM−1 day
3:00 AM12:00 AM
4:00 AM1:00 AM
5:00 AM2:00 AM
6:00 AM3:00 AM
7:00 AM4:00 AM
8:00 AM5:00 AM
9:00 AM6:00 AM
10:00 AM7:00 AM
11:00 AM8:00 AM
12:00 PM9:00 AM
1:00 PM10:00 AM
2:00 PM11:00 AM
3:00 PM12:00 PM
4:00 PM1:00 PM
5:00 PM2:00 PM
6:00 PM3:00 PM
7:00 PM4:00 PM
8:00 PM5:00 PM
9:00 PM6:00 PM
10:00 PM7:00 PM
11:00 PM8:00 PM

Best time to call or meet

Both sides are at work from 12:00 PM – 6:00 PM in São Paulo (9:00 AM – 3:00 PM in Boulder).

Daylight saving time and the difference

The difference changes during the year because São Paulo and Boulder switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -3h
  • Nov 1, 2026 – Mar 14, 2027: -4h
  • Mar 14, 2027 – Oct 19, 2027: -3h

Distance

São Paulo and Boulder are 9,315 km (5,788 miles) apart in a straight line.

More conversions

Boulder to São PauloSão Paulo to New YorkSão Paulo to LondonSão Paulo to Los AngelesSão Paulo to ChicagoSão Paulo to TorontoSão Paulo to ParisSão Paulo to BerlinSão Paulo to MoscowSão Paulo to DubaiSão Paulo to New DelhiSão Paulo to BangkokSão Paulo to Singapore
New York to BoulderLondon to BoulderLos Angeles to BoulderChicago to BoulderToronto to BoulderParis to BoulderBerlin to BoulderMoscow to BoulderDubai to BoulderNew Delhi to BoulderBangkok to BoulderSingapore to Boulder

Questions and answers

What is the time difference between São Paulo and Boulder?

Boulder is 3 hours behind São Paulo.

What time is it in Boulder when it is 9 AM in São Paulo?

When it is 9:00 AM in São Paulo, it is 6:00 AM in Boulder.

When is the best time to call Boulder from São Paulo?

Both sides are at work from 12:00 PM – 6:00 PM in São Paulo (9:00 AM – 3:00 PM in Boulder).

Does the time difference between São Paulo and Boulder change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.