San Mateo to São Paulo time converter

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

San Mateo PDT

Wednesday, October 21, 2026

São Paulo BRT

Wednesday, October 21, 2026

San Mateo
California, 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)

San Mateo to São Paulo conversion table

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

San MateoSão 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 San Mateo (1:00 PM – 6:00 PM in São Paulo).

Daylight saving time and the difference

The difference changes during the year because San Mateo 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

San Mateo and São Paulo are 10,415 km (6,472 miles) apart in a straight line.

More conversions

São Paulo to San MateoSan Mateo to New YorkSan Mateo to LondonSan Mateo to Los AngelesSan Mateo to ChicagoSan Mateo to TorontoSan Mateo to ParisSan Mateo to BerlinSan Mateo to MoscowSan Mateo to DubaiSan Mateo to New DelhiSan Mateo to BangkokSan Mateo 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 San Mateo and São Paulo?

São Paulo is 4 hours ahead of San Mateo.

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

When it is 9:00 AM in San Mateo, it is 1:00 PM in São Paulo.

When is the best time to call São Paulo from San Mateo?

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

Does the time difference between San Mateo 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.