Athlone to Rio de Janeiro time converter

Rio de Janeiro is 4 hours behind Athlone. When it is 9:00 AM in Athlone, it is 5:00 AM in Rio de Janeiro.

Athlone IST

Wednesday, October 21, 2026

Rio de Janeiro BRT

Wednesday, October 21, 2026

Athlone
Ireland
Wed, Oct 21
ISTUTC+1
Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Athlone to Rio de Janeiro conversion table

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

AthloneRio de Janeiro
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 Athlone (9:00 AM – 2:00 PM in Rio de Janeiro).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 21, 2027: -4h

Distance

Athlone and Rio de Janeiro are 9,140 km (5,679 miles) apart in a straight line.

More conversions

Rio de Janeiro to AthloneAthlone to New YorkAthlone to LondonAthlone to Los AngelesAthlone to ChicagoAthlone to TorontoAthlone to São PauloAthlone to ParisAthlone to BerlinAthlone to MoscowAthlone to DubaiAthlone to New DelhiAthlone 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 Athlone and Rio de Janeiro?

Rio de Janeiro is 4 hours behind Athlone.

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

When it is 9:00 AM in Athlone, it is 5:00 AM in Rio de Janeiro.

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

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

Does the time difference between Athlone 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.