Martha Lake to Rio de Janeiro time converter

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

Martha Lake PDT

Wednesday, October 21, 2026

Rio de Janeiro BRT

Wednesday, October 21, 2026

Martha Lake
Washington, United States
Wed, Oct 21
PDTUTC-7
Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Martha Lake to Rio de Janeiro conversion table

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

Martha LakeRio 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 Martha Lake (1:00 PM – 6:00 PM in Rio de Janeiro).

Daylight saving time and the difference

The difference changes during the year because Martha Lake and Rio de Janeiro 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

Martha Lake and Rio de Janeiro are 11,104 km (6,900 miles) apart in a straight line.

More conversions

Rio de Janeiro to Martha LakeMartha Lake to New YorkMartha Lake to LondonMartha Lake to Los AngelesMartha Lake to ChicagoMartha Lake to TorontoMartha Lake to São PauloMartha Lake to ParisMartha Lake to BerlinMartha Lake to MoscowMartha Lake to DubaiMartha Lake to New DelhiMartha Lake 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 Martha Lake and Rio de Janeiro?

Rio de Janeiro is 4 hours ahead of Martha Lake.

What time is it in Rio de Janeiro when it is 9 AM in Martha Lake?

When it is 9:00 AM in Martha Lake, it is 1:00 PM in Rio de Janeiro.

When is the best time to call Rio de Janeiro from Martha Lake?

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

Does the time difference between Martha Lake 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.