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Timezone Prime

AEST to UTC converter

Convert Australian Eastern Time (AEST/AEDT) to Coordinated Universal Time (UTC), with daylight saving applied for the exact date you pick.

From

Tue, Oct 27

To

Mon, Oct 26 Previous day

AEDT 9 to 5 UTC 9 to 5

From zone
Australian Eastern Daylight Time
Offset and clock
UTC+11 Daylight saving time
IANA name
Australia/Sydney
To zone
Coordinated Universal Time
Offset and clock
UTC+0 No daylight saving time
IANA name
Etc/UTC

UTC is 11 hours behind AEDT.

Time difference
UTC is 11 hours behind AEDT for most of the year (183 days in 2026). The gap is 10 hours for most of the year (182 days in 2026).
Meeting window
Working days of 9 AM to 5 PM do not overlap. The least disruptive slot is around 4:30 PM AEDT, which is 5:30 AM UTC while AEDT and UTC apply.
Daylight saving
Australian Eastern Time changes its clocks twice a year; Coordinated Universal Time does not.

Where AEST and UTC apply

Shaded areas follow the official zone boundaries, so a country split across zones is split here too. Hover or tap a region for its local time.

  • Australian Eastern Time
  • Coordinated Universal Time
  • Same UTC offset right now, different zone rules

Drag to pan. Ctrl and scroll, or pinch, to zoom. Boundaries: timezone-boundary-builder, © OpenStreetMap contributors

Hour by hour

Every hour of Tuesday, October 27, 2026, side by side. Days with a clock change show 23 or 25 rows.

Shaded rows fall inside working hours in both places.

Hourly comparison of the two time zones. Choose a time to load it in the converter.
Sydney (AEDT) Greenwich meridian (UTC) Working hours
12:00 AM 1:00 PM previous day
1:00 AM 2:00 PM previous day
2:00 AM 3:00 PM previous day
3:00 AM 4:00 PM previous day
4:00 AM 5:00 PM previous day
5:00 AM 6:00 PM previous day
6:00 AM 7:00 PM previous day
7:00 AM 8:00 PM previous day
8:00 AM 9:00 PM previous day
9:00 AM 10:00 PM previous day
10:00 AM 11:00 PM previous day
11:00 AM 12:00 AM
12:00 PM 1:00 AM
1:00 PM 2:00 AM
2:00 PM 3:00 AM
3:00 PM 4:00 AM
4:00 PM 5:00 AM
5:00 PM 6:00 AM
6:00 PM 7:00 AM
7:00 PM 8:00 AM
8:00 PM 9:00 AM
9:00 PM 10:00 AM
10:00 PM 11:00 AM
11:00 PM 12:00 PM

AEST to UTC conversion table

Common AEST times and their UTC equivalents. The second column covers the part of the year when the clocks are on a different gap.

AEST to UTC conversion table
Australian Eastern Time UTC 11 h behind, most of the year (183 days in 2026) UTC 10 h behind, most of the year (182 days in 2026)
12:00 AM 1:00 PM (previous day)2:00 PM (previous day)
6:00 AM 7:00 PM (previous day)8:00 PM (previous day)
8:00 AM 9:00 PM (previous day)10:00 PM (previous day)
9:00 AM 10:00 PM (previous day)11:00 PM (previous day)
10:00 AM 11:00 PM (previous day)12:00 AM
12:00 PM 1:00 AM2:00 AM
2:00 PM 3:00 AM4:00 AM
3:00 PM 4:00 AM5:00 AM
5:00 PM 6:00 AM7:00 AM
6:00 PM 7:00 AM8:00 AM
8:00 PM 9:00 AM10:00 AM
10:00 PM 11:00 AM12:00 PM

How the gap changes in 2026 and 2027

Each row is a stretch of days with one constant difference, split at every clock change.

Time difference periods between AEST and UTC
Dates AEST UTC Difference
Thu, Jan 1, 2026 until Sun, Apr 5, 2026 AEDT UTC UTC 11 h behind
Sun, Apr 5, 2026 until Sun, Oct 4, 2026 AEST UTC UTC 10 h behind
Sun, Oct 4, 2026 until Sun, Apr 4, 2027 AEDT UTC UTC 11 h behind
Sun, Apr 4, 2027 until Sun, Oct 3, 2027 AEST UTC UTC 10 h behind
Sun, Oct 3, 2027 until Sat, Jan 1, 2028 AEDT UTC UTC 11 h behind

Upcoming clock changes

  1. Australian Eastern Time Sunday, April 4, 2027: at 3:00 AM clocks go back 1 hour to 2:00 AM
  2. Australian Eastern Time Sunday, October 3, 2027: at 2:00 AM clocks go forward 1 hour to 3:00 AM
  3. Australian Eastern Time Sunday, April 2, 2028: at 3:00 AM clocks go back 1 hour to 2:00 AM

About the two zones

Australian Eastern Time (AEST / AEDT)

Australian Eastern Time follows the clock in Sydney: AEST (UTC+10) in the southern winter and AEDT (UTC+11) from the first Sunday in October to the first Sunday in April.

IANA zone
Australia/Sydney
Offset
UTC+10 standard, UTC+11 daylight saving
Used in
New South Wales, Victoria, Tasmania and the ACT
Major cities
Sydney, Melbourne, Canberra, Hobart

Queensland, including Brisbane, stays on AEST all year. For Brisbane, pick Australia/Brisbane in the converter.

Coordinated Universal Time (UTC)

Coordinated Universal Time is the reference every time zone is measured from. It never changes for daylight saving time. Servers, aviation, logs and APIs use it because it is unambiguous.

IANA zone
Etc/UTC
Offset
UTC+0 all year
Used in
no single country; it is the world reference clock

AEST and UTC, answered

What is the time difference between AEST and UTC?

UTC is 11 hours behind AEDT for most of the year (183 days in 2026). The gap is 10 hours for most of the year (182 days in 2026).

What is a good meeting time for AEST and UTC?

Working days of 9 AM to 5 PM do not overlap. The least disruptive slot is around 4:30 PM AEDT, which is 5:30 AM UTC while AEDT and UTC apply.

Does daylight saving time affect AEST to UTC?

Australian Eastern Time changes its clocks twice a year; Coordinated Universal Time does not. The next change is on Sunday, April 4, 2027 in Australian Eastern Time.

Which AEST does the AEST to UTC converter use?

Queensland, including Brisbane, stays on AEST all year. For Brisbane, pick Australia/Brisbane in the converter.

Related conversions

From Australian Eastern Time

To Coordinated Universal Time