Union City to São Paulo time converter

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

Union City PDT

Wednesday, October 21, 2026

São Paulo BRT

Wednesday, October 21, 2026

Union City
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)

Union City to São Paulo conversion table

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

Union 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 Union City (1:00 PM – 6:00 PM in São Paulo).

Daylight saving time and the difference

The difference changes during the year because Union 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

Union City and São Paulo are 10,393 km (6,458 miles) apart in a straight line.

More conversions

São Paulo to Union CityUnion City to New YorkUnion City to LondonUnion City to Los AngelesUnion City to ChicagoUnion City to TorontoUnion City to ParisUnion City to BerlinUnion City to MoscowUnion City to DubaiUnion City to New DelhiUnion City to BangkokUnion 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 Union City and São Paulo?

São Paulo is 4 hours ahead of Union City.

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

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

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

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

Does the time difference between Union 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.