AEST — Australian Eastern Standard Time
AEST is Australian Eastern Standard Time, 10 hours ahead of UTC. It is a fixed offset: unlike a time zone, it does not change with the season — the zones that use it switch to a different abbreviation instead.
Current time in AEST
17:46
Sunday, 2 August 2026
AEST = UTC+10 · 10 hours ahead of UTC
Shown for 2 Aug 2026 07:46 UTC. The clock goes live as soon as scripts load.
UTC offset
UTC+10
Type
Standard time
Seasonal counterpart
AEDT
The letters the same zones use for the other half of the year
Meanings
1
Unambiguous
Is AEST in force right now?
A zone only carries this abbreviation for part of the year. This is which of them were on it at 2 Aug 2026 07:46 UTC; the list is re-derived against your own clock when scripts load.
On AEST now
- Australia/Brisbane — Brisbane
- Australia/Sydney — Sydney
- Australia/Melbourne — Melbourne
- Australia/Hobart — Hobart
Using a different abbreviation
- Every zone listed here was on AEST.
AEST alternates with AEDT across the year.
Writing “AEST” for a date in the other half of the year is the most common time zone mistake in meeting invitations.
Convert AEST to other time zones
City clocks reflect whatever their zone is doing; where a city observes daylight saving time, its difference from AEST changes twice a year. Use the time zone converter for a specific date.
Time zones and cities that use AEST
Australian Eastern Standard Time · UTC+10
Why AEST is not an identifier
AEST is shorthand, not a standard. There is no registry of time zone abbreviations, no authority that assigns them, and nothing preventing two regions from adopting the same three letters — which is what makes codes like IST and CST unusable without context.
For anything a machine will read — a calendar invitation, a database column, an API response — use the IANA identifier of the zone (Australia/Brisbane, for example) or an explicit UTC offset alongside the date. The identifier survives a change in the law; AEST and its 10 hours offset do not.
Abbreviations on the same clock
Frequently asked questions
What does AEST stand for?
AEST stands for Australian Eastern Standard Time. It is 10 hours ahead of UTC, written UTC+10.
What is AEST in UTC?
AEST is UTC+10. To convert an AEST time to UTC, subtract 10 hours.
What is the difference between AEST and AEDT?
AEST is the standard-time form; AEDT is what those same zones use during daylight saving time, one hour ahead. A summer date written "AEST" is usually a mistake for AEDT.
Which time zone should I use instead of AEST?
Use an IANA identifier — Australia/Brisbane, Australia/Sydney and Australia/Melbourne and 1 more for Australian Eastern Standard Time — or state the UTC offset with the date. Abbreviations are not identifiers: they are not unique, they are not registered anywhere, and half of them change with the season. Calendar software resolves this automatically when you pick a city rather than typing letters.