UTC+11:30 Timezone Countries (2026)

2 countries operate in the UTC+11:30 timezone, spanning 1 region (Oceania). The combined population of countries in this timezone is approximately 28 million people, covering 7,692,060 km².

The UTC+11:30 timezone is 11.3 hours ahead of Coordinated Universal Time (UTC). The most populous country in this timezone is Australia with 27,536,874 people. The least populous is Norfolk Island with 2,188 people. Countries in this timezone span 1 subregion, including Australia and New Zealand. The average population density across these countries is 4 people per km².

Countries

2

Total Population

28M

Most Populous

Australia

UTC Offset

+11:30

Population Share by Country

Proportion of total UTC+11:30 timezone population per country

Flag of AustraliaAustralia100.0% Ā· 27,536,874
Flag of Norfolk IslandNorfolk Island0.0% Ā· 2,188

All Countries in UTC+11:30

#CountryPopulation
1Flag of AustraliaAustralia27,536,874
2Flag of Norfolk IslandNorfolk Island2,188

Frequently Asked Questions

How many countries are in the UTC+11:30 timezone?

There are 2 countries and territories that observe UTC+11:30. These span 1 region (Oceania) with a combined population of approximately 28 million.

What is the most populous country in UTC+11:30?

Australia is the most populous country in the UTC+11:30 timezone with a population of 27,536,874, making up 100.0% of the total timezone population.

What is the time difference between UTC+11:30 and UTC?

UTC+11:30 is 11.3 hours ahead of Coordinated Universal Time (UTC). Countries in this timezone set their clocks 11.3 hours ahead of UTC.

Explore Regions

Countries in UTC+11:30 span 1 region.

All Timezones