Mountain View to Rio de Janeiro time converter

Rio de Janeiro is 4 hours ahead of Mountain View. When it is 9:00 AM in Mountain View, it is 1:00 PM in Rio de Janeiro.

Mountain View PDT

Tuesday, October 20, 2026

Rio de Janeiro BRT

Tuesday, October 20, 2026

Mountain View
California, United States
Tue, Oct 20
PDTUTC-7
Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Mountain View to Rio de Janeiro conversion table

Every hour of today in Mountain View and the matching time in Rio de Janeiro. Light rows are typical working hours (9:00–18:00).

Mountain ViewRio de Janeiro
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 Mountain View (1:00 PM – 6:00 PM in Rio de Janeiro).

Daylight saving time and the difference

The difference changes during the year because Mountain View and Rio de Janeiro switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Oct 20, 2027: +4h

Distance

Mountain View and Rio de Janeiro are 10,617 km (6,597 miles) apart in a straight line.

More conversions

Rio de Janeiro to Mountain ViewMountain View to New YorkMountain View to LondonMountain View to Los AngelesMountain View to ChicagoMountain View to TorontoMountain View to São PauloMountain View to ParisMountain View to BerlinMountain View to MoscowMountain View to DubaiMountain View to New DelhiMountain View to Bangkok
New York to Rio de JaneiroLondon to Rio de JaneiroLos Angeles to Rio de JaneiroChicago to Rio de JaneiroToronto to Rio de JaneiroSão Paulo to Rio de JaneiroParis to Rio de JaneiroBerlin to Rio de JaneiroMoscow to Rio de JaneiroDubai to Rio de JaneiroNew Delhi to Rio de JaneiroBangkok to Rio de Janeiro

Questions and answers

What is the time difference between Mountain View and Rio de Janeiro?

Rio de Janeiro is 4 hours ahead of Mountain View.

What time is it in Rio de Janeiro when it is 9 AM in Mountain View?

When it is 9:00 AM in Mountain View, it is 1:00 PM in Rio de Janeiro.

When is the best time to call Rio de Janeiro from Mountain View?

Both sides are at work from 9:00 AM – 2:00 PM in Mountain View (1:00 PM – 6:00 PM in Rio de Janeiro).

Does the time difference between Mountain View and Rio de Janeiro change?

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