Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

Argentina to Brazil

+0h

Argentina

ARTSOURCE

UTC-03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Brazil

BRT

UTC-03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Argentina

Brazil

12:00 AM

2:00 AM

4:00 AM

6:00 AM

8:00 AM

10:00 AM

12:00 PM

2:00 PM

4:00 PM

6:00 PM

8:00 PM

10:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

ART and BRT on the World Map

The map below highlights the ART (Argentina Time) and BRT (Brasilia Time) timezone regions across the globe.

ART Zone

→

BRT Zone

Explore all world timezones interactively →

ART – Argentina Time

UTC-03:00

Argentina Time (ART) is the standard time for Argentina, 3 hours behind UTC.

Countries in ART

Argentina

Major Cities in ART

Buenos AiresCórdobaRosarioMendozaLa PlataTucumán

Key Facts about ART

•Argentina does not observe daylight saving time.
•Buenos Aires is one of the most visited cities in South America.
•ART is the same offset as BRT (UTC-03:00).

Daylight Saving:No – UTC-03:00 year-round

Learn more about ART on Wikipedia

BRT – Brasilia Time

UTC-03:00

Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.

Countries in BRT

Brazil (eastern)

Major Cities in BRT

São PauloRio de JaneiroBrasíliaBelo HorizonteSalvadorFortalezaRecifeCuritiba

Key Facts about BRT

•Brazil abolished daylight saving time in 2019.
•São Paulo is the largest city in the Southern Hemisphere.
•BRT is 2 hours ahead of EST.
•Brazil spans four different time zones.
•The B3 stock exchange in São Paulo operates on BRT.

Daylight Saving:No – UTC-03:00 year-round

Learn more about BRT on Wikipedia

Argentina to Brazil Time Difference – Complete Guide

Argentina runs on Argentina Standard Time (ART) at UTC-03:00. Brazil runs on Brasilia Standard Time (BRT) at UTC-03:00. That puts Argentina no time difference Brazil — a difference of +0h at the current offsets.

In practice, when it is 9:00 AM in Argentina it is 9:00 AM in Brazil. Midnight in Argentina is 12:00 AM in Brazil. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Argentina to Brazil time conversion table

Argentina (ART)	Brazil (BRT)	Day
12:00 AM	12:00 AM	same day
6:00 AM	6:00 AM	same day
7:00 AM	7:00 AM	same day
8:00 AM	8:00 AM	same day
9:00 AM	9:00 AM	same day
12:00 PM	12:00 PM	same day
3:00 PM	3:00 PM	same day
5:00 PM	5:00 PM	same day
6:00 PM	6:00 PM	same day
9:00 PM	9:00 PM	same day

Why people convert Argentina to Brazil time

Scheduling a call from Argentina to Brazil: a 10:00 AM start in Argentina lands at 10:00 AM in Brazil, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Argentina and Brazil are inside the 9-to-5 working day between 9:00 AM and 5:00 PM ART time (9:00 AM–5:00 PM BRT). That is roughly 8 hours of usable overlap.
Coordinating a Argentina-based team with Brazil contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM ART" is unambiguous; "3 PM" across a +0h gap is not.
Block 9:00 AM–5:00 PM ART as the recurring meeting window if you work primarily from Argentina and need Brazil colleagues present.

About ART (Argentina Time)

Argentina Time (ART) is the time zone used throughout Argentina. Argentina does not observe daylight saving time. ART shares the same offset as Brasilia Time (BRT) and Uruguay's UYT.

About BRT (Brasilia Time)

Brasilia Time (BRT) is the standard time in the most populous regions of Brazil, including São Paulo, Rio de Janeiro, and the capital Brasília. Brazil abolished daylight saving time in 2019, so BRT is now observed year-round in these regions. Brazil spans four time zones in total.

Best time to call between Argentina and Brazil

Both Argentina and Brazil sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM ART, which is 9:00 AM–5:00 PM BRT. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Argentina and Brazil share 8 hours of working-hours overlap (9:00 AM–5:00 PM ART), so scheduling a live meeting is straightforward.

Argentina is no time difference Brazil (ART UTC-03:00 → BRT UTC-03:00). The shared working window is 9:00 AM–5:00 PM ART. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Argentina and Brazil?

Argentina (ART, UTC-03:00) is no time difference Brazil (BRT, UTC-03:00). The gap is currently +0h.

How do I convert Argentina time to Brazil time?

Add +0h to Argentina local time. For example, 9:00 AM in Argentina is 9:00 AM in Brazil.

What time is it in Brazil right now?

Brazil uses BRT at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +0h offset from Argentina.

What is the best time to call Brazil from Argentina?

Call between 9:00 AM and 5:00 PM ART — that maps to 9:00 AM–5:00 PM BRT and keeps both parties inside the working day.

Which is ahead, Argentina or Brazil?

Argentina and Brazil are currently on the same clock.

Do Argentina and Brazil use different time zones?

Argentina (Argentina) uses ART at UTC-03:00, while Brazil (Brazil) uses BRT at UTC-03:00. The IANA identifiers are America/Buenos_Aires and America/Sao_Paulo.