São Paulo to Sunnyvale time converter

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

São Paulo BRT

Wednesday, October 21, 2026

Sunnyvale PDT

Tuesday, October 20, 2026

Wed, Oct 21
BRTUTC-3
California, United States
Tue, Oct 20
PDTUTC-7-4h
Finding your time zone…

3:44 AM in São Paulo, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

São Paulo to Sunnyvale conversion table

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

São PauloSunnyvale
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 Sunnyvale).

Daylight saving time and the difference

The difference changes during the year because São Paulo and Sunnyvale 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 Sunnyvale are 10,383 km (6,452 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between São Paulo and Sunnyvale?

Sunnyvale is 4 hours behind São Paulo.

What time is it in Sunnyvale when it is 9 AM in São Paulo?

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

When is the best time to call Sunnyvale 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 Sunnyvale).

Does the time difference between São Paulo and Sunnyvale change?

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