Boulder City to São Paulo time converter

São Paulo is 4 hours ahead of Boulder City. When it is 9:00 AM in Boulder City, it is 1:00 PM in São Paulo.

Boulder City PDT

Wednesday, October 21, 2026

São Paulo BRT

Wednesday, October 21, 2026

Boulder City
Nevada, United States
Wed, Oct 21
PDTUTC-7
São Paulo
Brazil
Wed, Oct 21
BRTUTC-3+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Boulder City to São Paulo conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Boulder City (1:00 PM – 6:00 PM in São Paulo).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Oct 21, 2027: +4h

Distance

Boulder City and São Paulo are 9,747 km (6,057 miles) apart in a straight line.

More conversions

São Paulo to Boulder CityBoulder City to New YorkBoulder City to LondonBoulder City to Los AngelesBoulder City to ChicagoBoulder City to TorontoBoulder City to ParisBoulder City to BerlinBoulder City to MoscowBoulder City to DubaiBoulder City to New DelhiBoulder City to BangkokBoulder City to Singapore
New York to São PauloLondon to São PauloLos Angeles to São PauloChicago to São PauloToronto to São PauloParis to São PauloBerlin to São PauloMoscow to São PauloDubai to São PauloNew Delhi to São PauloBangkok to São PauloSingapore to São Paulo

Questions and answers

What is the time difference between Boulder City and São Paulo?

São Paulo is 4 hours ahead of Boulder City.

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

When it is 9:00 AM in Boulder City, it is 1:00 PM in São Paulo.

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

Both sides are at work from 9:00 AM – 2:00 PM in Boulder City (1:00 PM – 6:00 PM in São Paulo).

Does the time difference between Boulder City 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.