São Paulo to San Mateo time converter

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

São Paulo BRT

Wednesday, October 21, 2026

San Mateo PDT

Wednesday, October 21, 2026

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

São Paulo to San Mateo conversion table

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

São PauloSan Mateo
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 San Mateo).

Daylight saving time and the difference

The difference changes during the year because São Paulo and San Mateo 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 San Mateo are 10,415 km (6,472 miles) apart in a straight line.

More conversions

San Mateo 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 San MateoLondon to San MateoLos Angeles to San MateoChicago to San MateoToronto to San MateoParis to San MateoBerlin to San MateoMoscow to San MateoDubai to San MateoNew Delhi to San MateoBangkok to San MateoSingapore to San Mateo

Questions and answers

What is the time difference between São Paulo and San Mateo?

San Mateo is 4 hours behind São Paulo.

What time is it in San Mateo when it is 9 AM in São Paulo?

When it is 9:00 AM in São Paulo, it is 5:00 AM in San Mateo.

When is the best time to call San Mateo 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 San Mateo).

Does the time difference between São Paulo and San Mateo change?

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