Australia/Sydney is an IANA time zone used in Australia. It is on daylight saving time now, UTC+11 (AEDT), until Sunday, April 4, 2027.
Australia/Sydney at a glance
| UTC offset now | UTC+11 |
|---|---|
| Standard time | UTC+10 (AEST) |
| Daylight saving time | UTC+11 (AEDT) |
| Abbreviations | AEST, AEDT |
| Used in | Australia |
| Next clock change | Sunday, April 4, 2027 |
Rules of the Australia/Sydney time zone
Australia/Sydney switches between two offsets: UTC+10 (AEST) for standard time and UTC+11 (AEDT) for daylight saving time. Below are the last changes and the ones scheduled next.
Recent and upcoming changes in Australia/Sydney
| Date | Change | New offset |
|---|---|---|
| Sunday, April 6, 2025 | Clocks go back 1 hour: 3:00 AM becomes 2:00 AM | UTC+10 |
| Sunday, October 5, 2025 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC+11 |
| Sunday, April 5, 2026 | Clocks go back 1 hour: 3:00 AM becomes 2:00 AM | UTC+10 |
| Sunday, October 4, 2026 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC+11 |
| Sunday, April 4, 2027 | Clocks go back 1 hour: 3:00 AM becomes 2:00 AM | UTC+10 |
| Sunday, October 3, 2027 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC+11 |
| Sunday, April 2, 2028 | Clocks go back 1 hour: 3:00 AM becomes 2:00 AM | UTC+10 |
| Sunday, October 1, 2028 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC+11 |
Where Australia/Sydney is used
Australia/Sydney is used in Australia. These are the largest cities in our list that follow it.
Australia/Sydney compared with other time zones
Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 16 h behind | 16 h behind | 14 h behind |
| Los Angeles (United States) | --:-- | 19 h behind | 19 h behind | 17 h behind |
| London (United Kingdom) | --:-- | 11 h behind | 11 h behind | 9 h behind |
| Paris (France) | --:-- | 10 h behind | 10 h behind | 8 h behind |
| Dubai (United Arab Emirates) | --:-- | 7 h behind | 7 h behind | 6 h behind |
| Mumbai (India) | --:-- | 5 h 30 min behind | 5 h 30 min behind | 4 h 30 min behind |
| Singapore | --:-- | 3 h behind | 3 h behind | 2 h behind |
| Tokyo (Japan) | --:-- | 2 h behind | 2 h behind | 1 h behind |
| UTC | --:-- | 11 h behind | 11 h behind | 10 h behind |
Other zones on UTC+11 right now
These IANA zones show the same time as Australia/Sydney today. Their clock-change rules may differ.
- Asia/Sakhalin
- Australia/Hobart
- Australia/Melbourne
- Pacific/Efate
- Pacific/Guadalcanal
- Pacific/Noumea
- Pacific/Pohnpei
- Australia/Lord_Howe
- Antarctica/Macquarie
- Pacific/Kosrae
- Pacific/Bougainville
- Asia/Magadan
Using Australia/Sydney in software
Use the zone name Australia/Sydney rather than an abbreviation or a fixed offset. Abbreviations can mean several zones, and offsets ignore future clock changes.
Show the current time in Australia/Sydney:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Australia/Sydney', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Australia/Sydney'))
// PHP
(new DateTime('now', new DateTimeZone('Australia/Sydney')))->format('c');
# Shell
TZ=Australia/Sydney datePlan around the time in Australia/Sydney
- Convert a time to or from Australia/Sydney: pick a date and time and see it in every city on your list.
- Add Sydney to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Australia/Sydney and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is the UTC offset of Australia/Sydney?
UTC+10 in standard time and UTC+11 during daylight saving time. Right now it is UTC+11.
When does Australia/Sydney change clocks next?
The next change is on Sunday, April 4, 2027 at 3:00 AM local time. The change after that is on Sunday, October 3, 2027.
What abbreviation does Australia/Sydney use?
AEST in standard time and AEDT during daylight saving time. Abbreviations are not unique, so use the zone name Australia/Sydney in software.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.