São Paulo to Boulder City time converter

Boulder City is 4 hours behind São Paulo. When it is 9:00 AM in São Paulo, it is 5:00 AM in Boulder City.

São Paulo BRT

Wednesday, October 21, 2026

Boulder City PDT

Wednesday, October 21, 2026

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

São Paulo to Boulder City conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because São Paulo and Boulder City 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

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

More conversions

Boulder City 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 Boulder CityLondon to Boulder CityLos Angeles to Boulder CityChicago to Boulder CityToronto to Boulder CityParis to Boulder CityBerlin to Boulder CityMoscow to Boulder CityDubai to Boulder CityNew Delhi to Boulder CityBangkok to Boulder CitySingapore to Boulder City

Questions and answers

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

Boulder City is 4 hours behind São Paulo.

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

When it is 9:00 AM in São Paulo, it is 5:00 AM in Boulder City.

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

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

Does the time difference between São Paulo and Boulder City change?

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