UTC-03:00 Timezone Countries (2026)

11 countries operate in the UTC-03:00 timezone, spanning 3 regions (Americas, Europe, Antarctic). The combined population of countries in this timezone is approximately 406 million people, covering 28,722,261 km虏.

The UTC-03:00 timezone is 3 hours behind Coordinated Universal Time (UTC). The most populous country in this timezone is Brazil with 211,998,573 people. The largest by land area is Antarctica at 14,000,000 km虏. The least populous is Antarctica with 1,300 people. Countries in this timezone span 4 subregions, including South America, Northern Europe, Western Europe, North America. The average population density across these countries is 14 people per km虏.

Countries

11

Total Population

406M

Most Populous

Brazil

UTC Offset

-03:00

Population Share by Country

Proportion of total UTC-03:00 timezone population per country

Flag of BrazilBrazil52.2% 路 211,998,573
Flag of United KingdomUnited Kingdom17.1% 路 69,226,000
Flag of FranceFrance16.9% 路 68,551,653
Flag of ArgentinaArgentina11.3% 路 45,696,159
Flag of DenmarkDenmark1.5% 路 5,976,992
Flag of UruguayUruguay0.8% 路 3,386,588
Flag of SurinameSuriname0.2% 路 634,431
Flag of French GuianaFrench Guiana0.1% 路 292,354
Flag of GreenlandGreenland0.0% 路 56,836
Flag of AntarcticaAntarctica0.0% 路 1,300

All Countries in UTC-03:00

#CountryPopulation
1Flag of BrazilBrazil211,998,573
2Flag of United KingdomUnited Kingdom69,226,000
3Flag of FranceFrance68,551,653
4Flag of ArgentinaArgentina45,696,159
5Flag of DenmarkDenmark5,976,992
6Flag of UruguayUruguay3,386,588
7Flag of SurinameSuriname634,431
8Flag of French GuianaFrench Guiana292,354
9Flag of GreenlandGreenland56,836
10Flag of Saint Pierre and MiquelonSaint Pierre and Miquelon5,819
11Flag of AntarcticaAntarctica1,300

Frequently Asked Questions

How many countries are in the UTC-03:00 timezone?

There are 11 countries and territories that observe UTC-03:00. These span 3 regions (Americas, Europe, Antarctic) with a combined population of approximately 406 million.

What is the most populous country in UTC-03:00?

Brazil is the most populous country in the UTC-03:00 timezone with a population of 211,998,573, making up 52.2% of the total timezone population.

What is the time difference between UTC-03:00 and UTC?

UTC-03:00 is 3 hours behind Coordinated Universal Time (UTC). Countries in this timezone set their clocks 3 hours behind UTC.

Explore Regions

Countries in UTC-03:00 span 3 regions.

All Timezones