What is AEST in UTC?
Coordinated Universal Time is 10 hours behind
Australian Eastern Time is on UTC+10:00 and Coordinated Universal Time is on UTC+0:00 right now. The gap changes during the year — see below.
- Time in Sydney
- 12:14 pm
- Time in the prime meridian
- 2:14 am
- Difference
- −10 h
- Next clock change
- October 3, 2026
Convert a time
UTC — Coordinated Universal Time
2:00 am
Wed
When the difference changes
Australian Eastern Time and Coordinated Universal Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:
- Now – October 3, 2026Coordinated Universal Time is 10 hours behind
- October 3, 2026 – April 3, 2027Coordinated Universal Time is 11 hours behind
- April 3, 2027 – October 2, 2027Coordinated Universal Time is 10 hours behind
- October 2, 2027 – onwardsCoordinated Universal Time is 11 hours behind
Periods shorter than a day are not listed: both zones change at 2am in their own local time, so there are a few hours on each transition date when the gap is briefly something else.
Daylight saving
Australian Eastern Time
Clocks go forward one hour at 2am local time, becoming AEDT.
Coordinated Universal Time
Coordinated Universal Time stays on UTC all year, so its offset from UTC never moves.
AEST to UTC conversion table
Every hour of Wednesday, September 23, 2026, converted from Australian Eastern Time to Coordinated Universal Time. 10 of the 24 hours fall on a different calendar day in the prime meridian, which is marked.
- 12:00 am AEST
- 2:00 pm UTC−1 day
- 1:00 am AEST
- 3:00 pm UTC−1 day
- 2:00 am AEST
- 4:00 pm UTC−1 day
- 3:00 am AEST
- 5:00 pm UTC−1 day
- 4:00 am AEST
- 6:00 pm UTC−1 day
- 5:00 am AEST
- 7:00 pm UTC−1 day
- 6:00 am AEST
- 8:00 pm UTC−1 day
- 7:00 am AEST
- 9:00 pm UTC−1 day
- 8:00 am AEST
- 10:00 pm UTC−1 day
- 9:00 am AEST
- 11:00 pm UTC−1 day
- 10:00 am AEST
- 12:00 am UTC
- 11:00 am AEST
- 1:00 am UTC
- 12:00 pm AEST
- 2:00 am UTC
- 1:00 pm AEST
- 3:00 am UTC
- 2:00 pm AEST
- 4:00 am UTC
- 3:00 pm AEST
- 5:00 am UTC
- 4:00 pm AEST
- 6:00 am UTC
- 5:00 pm AEST
- 7:00 am UTC
- 6:00 pm AEST
- 8:00 am UTC
- 7:00 pm AEST
- 9:00 am UTC
- 8:00 pm AEST
- 10:00 am UTC
- 9:00 pm AEST
- 11:00 am UTC
- 10:00 pm AEST
- 12:00 pm UTC
- 11:00 pm AEST
- 1:00 pm UTC
Scheduling between the two
There is no overlap between a nine-to-six working day in Sydney and one in the prime meridian — the gap is too wide. A call has to sit early or late for one side. Early morning in Sydney is the usual compromise, since that is late afternoon or evening in the prime meridian.
Australian Eastern Time (AEST) is used in Melbourne, Canberra and Brisbane. Queensland stays on AEST all year while the southern states move to AEDT.
Coordinated Universal Time (UTC) is used in aviation, computing, and science worldwide. UTC never changes for daylight saving.