Fuso Horário AEDT — Significado, Offset UTC.

AEDT sits in the East Asian and Australian band where mornings start while Europe is still working overnight. In practice it is read inside global reference family, where the leading city anchors are Sydney, Australia, Brisbane, Australia, and Gold Coast, Australia.

AEDT resolves cleanly in the current dataset, with one dominant meaning across 2 zones and 1 country group.

AEDT shows up on technical and reference schedules more than in everyday civil-time use. AEDT can also flip to a sibling daylight-saving abbreviation later in the year, so timestamps before and after the change need to be read carefully.

Australia sits in Oceania, specifically Australia and New Zealand. Population 27,536,874, area 7,692,024 km², capital Canberra. Civic markers behind AEDT include English and AUD (Australian dollar, $).

Sydney is the clearest city-level anchor: Sydney is the capital city of the state of New South Wales, and is the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 kilometres (50 mi) from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 kilometres (50 mi) from Ku-ring-gai Chase National Park and the Hawkesbury River in the north and north-west, to the Royal National Park and Macarthur in the south and south-west. Greater Sydney consists of 658 suburbs, spread across 33 local government areas. Residents of the city are colloquially known as "Sydneysiders". The estimated population in June 2025 was 5,638,830, which is about 66% of the state's population. The city's nicknames include the Emerald City and the Harbour City.

AEDT in the Australian Eastern Time meaning runs 10h ahead of UTC through global reference family, threading zones such as Australia/Brisbane and Australia/Sydney (cities: Sydney, Brisbane, and Gold Coast). Country anchors: Australia.

Australia spans 2 zones (137 cities) under AEDT. Visible cities: Sydney, Brisbane, and Gold Coast. Underlying zones: Australia/Brisbane and Australia/Sydney.