Australian Eastern Standard Time
AEST means UTC+10:00 throughout the year.
TIME ZONE CONVERTER
AEST to Sydney
Time Converter
Convert Australian Eastern Standard Time to Sydney, Australia. Compare dates, seasonal differences and meeting hours.
AEST is 0h or 1h behind Sydney in 2026, depending on the date.
9 AM AEST = 10 AM Sydney
Selected date: November 4, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVAEST to Sydney conversion table
November 4, 2026 · Date changes are marked.
View the full 24-hour table
| AEST | Sydney |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| AEST | Sydney |
|---|---|
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM +1 day |
Starting with the Sydney working day
These examples start on 2026-11-04 in Sydney.
09:00 Sydney08:00 →AEST · 2026-11-04
17:00 Sydney16:00 →AEST · 2026-11-04
Which time-zone meaning are we using?
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 AEST to Sydney throughout 2026
Keeping 09:00 on the AEST clock produces 2 different destination clock/date answers in 2026. The ranges below use AEST calendar dates, including transition days.
| Dates in AEST · 2026 | Sydney answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Apr 494 dates | 10:00Same date | UTC+10:00 → UTC+11:00 | |
| Apr 5 – Oct 3182 dates | 09:00Same date | UTC+10:00 → UTC+10:00 | |
| Oct 4 – Dec 3189 dates | 10:00Same date | UTC+10:00 → UTC+11:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does AEST time become a different date in Sydney?
Your complete source day: 2026-11-04. Each range shows which destination date to use.
AEST · 2026-11-0400:00–23:00UTC+10:00
Sydney · 2026-11-0401:00–24:00UTC+11:00 Same date
AEST · 2026-11-0423:00–24:00UTC+10:00
Sydney · 2026-11-0500:00–01:00UTC+11:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How Sydney compares with AEST throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+1h
0h
+1h
Sydney changes its UTC offset in 2026. AEST is a fixed offset.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | Sydney vs AEST |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 4 Apr 2026, 16:00 UTC | 1h ahead |
| 4 Apr 2026, 16:00 UTC | 3 Oct 2026, 16:00 UTC | 0h difference |
| 3 Oct 2026, 16:00 UTC | 1 Jan 2027, 00:00 UTC | 1h ahead |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has Sydney 1h ahead relative to AEST. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with AEST |
|---|---|---|
| 4 Apr 2026, 16:00 UTC | 3 Oct 2026, 16:00 UTC | the same time |
PLAN BEYOND A SINGLE DAY
Daily CSVAEST–Sydney working hours through 2026
Every date calculated with your working windows. 261 selected AEST workdays; public holidays are not applied.
Least shared time7h
Most common7h
Most shared time8h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in AEST 09:00–15:00.
These starts fit both working windows on every selected AEST workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
AEST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Sydney: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
AEST to Sydney: useful answers
Why is the AEST to Sydney difference sometimes 0 hours and sometimes 1 hour?
AEST is 0h or 1h behind Sydney in 2026, depending on the date. Sydney changes its UTC offset in 2026. AEST is a fixed offset.
Does the AEST–Sydney time difference change in 2026?
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in AEST on 2026-11-04 is 10:00 in Sydney on 2026-11-04. This selected time stays on the same date in both places. Other times can cross midnight.
Can AEST and Sydney meet during working hours?
Your selected working windows share 7h on 2026-11-04. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology