Rio de Janeiro to Adelphi time converter

Adelphi is 1 hour behind Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Adelphi.

Rio de Janeiro BRT

Monday, October 19, 2026

Adelphi EDT

Monday, October 19, 2026

Rio de Janeiro
Brazil
Mon, Oct 19
BRTUTC-3
Adelphi
Maryland, United States
Mon, Oct 19
EDTUTC-4-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Adelphi conversion table

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

Rio de JaneiroAdelphi
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Rio de Janeiro (9:00 AM – 5:00 PM in Adelphi).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 19, 2027: -1h

Distance

Rio de Janeiro and Adelphi are 7,730 km (4,803 miles) apart in a straight line.

More conversions

Adelphi to Rio de JaneiroRio de Janeiro to New YorkRio de Janeiro to LondonRio de Janeiro to Los AngelesRio de Janeiro to ChicagoRio de Janeiro to TorontoRio de Janeiro to São PauloRio de Janeiro to ParisRio de Janeiro to BerlinRio de Janeiro to MoscowRio de Janeiro to DubaiRio de Janeiro to New DelhiRio de Janeiro to Bangkok
New York to AdelphiLondon to AdelphiLos Angeles to AdelphiChicago to AdelphiToronto to AdelphiSão Paulo to AdelphiParis to AdelphiBerlin to AdelphiMoscow to AdelphiDubai to AdelphiNew Delhi to AdelphiBangkok to Adelphi

Questions and answers

What is the time difference between Rio de Janeiro and Adelphi?

Adelphi is 1 hour behind Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Adelphi.

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

Both sides are at work from 10:00 AM – 6:00 PM in Rio de Janeiro (9:00 AM – 5:00 PM in Adelphi).

Does the time difference between Rio de Janeiro and Adelphi change?

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