AET — Australian Eastern Time
See what AET means, its UTC+10:00 offset, where it is used, and how to compare or convert it with other time zones.
How to Convert AET to Other Time Zones
Open the AET converter page: Go to https://www.xconvert.com/time-converter/aet-time-zone. The page loads with Australian Eastern Time as the reference row on a 24-hour visual grid, which is useful if you are scheduling a call with teams in Sydney, coordinating an overnight support handoff, or checking whether Australian market hours overlap with Europe or North America.
Add comparison cities with the + Add City button: Click + Add City and search for cities such as London, New York, and Singapore to compare AET against major finance, technology, and trade hubs. This is especially practical for companies working with Australian clients, APAC operations teams, or remote staff who need to see whether a 9:00 AM AET start aligns with the previous evening in the US or early morning in Asia.
Drag across the grid to select a meeting window: Click Select, then drag across the AET row from 9:00 AM to 11:00 AM to highlight that range in purple; you can resize it with the left and right handles or move the whole block by dragging the center. For example, 9:00 AM AET (UTC+10) is 11:00 PM UTC the previous day, 7:00 PM in New York during Eastern Daylight Time (UTC-4), and 12:00 AM in London during British Summer Time (UTC+1), which quickly shows whether an Australian morning meeting is realistic for overseas participants.
Export the selected time range for sharing: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. That makes it easy to send a confirmed slot to a distributed team, attach the time block to a project kickoff, or share a link so colleagues in different time zones see the same meeting in their own local time automatically.
About Australian Eastern Time (AET)
AET stands for Australian Eastern Time, a broad label commonly used for the eastern part of Australia. Its standard offset is UTC+10:00, which means clocks in AET are 10 hours ahead of Coordinated Universal Time; when it is 12:00 noon UTC, it is 10:00 PM in AET on the same calendar day.
In practical use, AET usually refers to the standard eastern Australian time observed in Queensland, New South Wales, Victoria, the Australian Capital Territory, and Tasmania, although not all of those regions stay on UTC+10 year-round. Queensland remains on AEST (Australian Eastern Standard Time, UTC+10) throughout the year, while New South Wales, Victoria, the ACT, and Tasmania move to daylight saving time in the warmer months.
The abbreviation AET is often used in software, scheduling tools, and international business settings as a regional shorthand rather than a strictly legal time-zone name. If you are arranging calls, booking flights, or setting deadlines, it is important to confirm whether the intended location is on AEST (UTC+10) or AEDT (UTC+11), because eastern Australia does not observe one single offset for the entire year.
AET and Daylight Saving Time
AET is not a fixed year-round civil time across all eastern Australian regions because some areas observe daylight saving time and others do not. During the standard period, eastern Australian locations such as Brisbane use AEST, UTC+10:00, while cities such as Sydney, Melbourne, Canberra, and Hobart switch to AEDT, UTC+11:00 during daylight saving.
For the current year, 2026, daylight saving time in the eastern Australian states that observe it ended on Sunday, 5 April 2026, when clocks moved back from 3:00 AM AEDT to 2:00 AM AEST. It will begin again on Sunday, 4 October 2026, when clocks move forward from 2:00 AM AEST to 3:00 AM AEDT; that one-hour jump affects meeting planning, airline schedules, customer support coverage, and market-opening coordination.
This means the label AET can refer to two different practical situations depending on date and location. In Brisbane, a 9:00 AM local meeting remains UTC+10 all year, but in Sydney that same 9:00 AM local meeting is UTC+10 in winter and UTC+11 in summer, which changes the overlap with cities like London and New York by one hour.
The seasonal difference matters for global teams. For example, when Sydney is on AEDT (UTC+11) and London is on GMT (UTC+0) in Northern Hemisphere winter, Sydney is 11 hours ahead; when Sydney returns to AEST (UTC+10) and London moves to BST (UTC+1) in Northern Hemisphere summer, the gap becomes 9 hours, so recurring meetings can shift noticeably if calendars are not set correctly.
Frequently Asked Questions
What does AET stand for?
AET stands for Australian Eastern Time. It is a regional label used for the eastern part of Australia, especially in software, scheduling systems, and international coordination where people need a quick reference for eastern Australian local time.
Is AET the same as GMT?
No, AET is not the same as GMT. Standard AET is UTC+10:00, so it is 10 hours ahead of GMT/UTC; for example, when it is 8:00 AM GMT, it is 6:00 PM in AET. In daylight saving locations such as Sydney during summer, the effective local time becomes AEDT (UTC+11), making it 11 hours ahead of GMT.
Which cities use AET?
AET is associated with eastern Australian cities including Sydney, Melbourne, Brisbane, Canberra, and Hobart, but they do not all keep the same offset year-round. Brisbane stays on UTC+10 all year, while Sydney, Melbourne, Canberra, and Hobart switch to UTC+11 during daylight saving, so city-specific confirmation is important when booking meetings or travel.
What is the UTC offset for AET?
The standard UTC offset for AET is UTC+10:00. That means AET is 10 hours ahead of UTC, so 9:00 AM UTC corresponds to 7:00 PM AET on the same day; however, in daylight saving regions of eastern Australia, local time may shift to UTC+11:00 under AEDT.
When does AET change?
AET changes only in the eastern Australian states and territories that observe daylight saving time, not in all regions. In 2026, the daylight saving period ends on 5 April 2026 and starts again on 4 October 2026 in places such as Sydney and Melbourne, while Queensland does not change and remains on UTC+10 throughout the year.
Is AET the same as AEST?
Not exactly. AEST means Australian Eastern Standard Time and specifically refers to the UTC+10:00 standard-time period, while AET is a broader umbrella term people use for eastern Australian time generally. If you need precision for contracts, flights, or recurring meetings, use AEST for standard time and AEDT for daylight time rather than relying only on AET.
How far ahead is AET from UTC?
AET is 10 hours ahead of UTC during standard time. In practical terms, when it is 12:00 AM UTC, it is 10:00 AM AET, which is why Australian business hours often overlap better with Asia than with Europe or North America.
Why does AET sometimes appear as UTC+10 and sometimes UTC+11?
That happens because eastern Australia does not use one single offset all year across all states. Locations such as Sydney and Melbourne observe daylight saving and move from AEST (UTC+10) to AEDT (UTC+11), while Brisbane stays on UTC+10 year-round, so the exact offset depends on both the city and the date.