Antarctica/Macquarie is an IANA time zone used in Australia. It is on daylight saving time now, UTC+11 (AEDT), until Sunday, April 4, 2027.
Antarctica/Macquarie 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 |
How Antarctica/Macquarie keeps time
Standard time in Antarctica/Macquarie is UTC+10 (AEST). During daylight saving time the zone moves 1 hour to UTC+11 (AEDT). The table lists the recent and upcoming changes as recorded in tz database version 2026e.
Recent and upcoming changes in Antarctica/Macquarie
| 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 |
Countries and cities on Antarctica/Macquarie
Antarctica/Macquarie is used in Australia. None of the cities in our list follow it.
Antarctica/Macquarie 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 |
| Sydney (Australia) | --:-- | Same time | Same time | Same time |
| 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 Antarctica/Macquarie today. Their clock-change rules may differ.
- Asia/Sakhalin
- Australia/Hobart
- Australia/Melbourne
- Australia/Sydney
- Pacific/Efate
- Pacific/Guadalcanal
- Pacific/Noumea
- Pacific/Pohnpei
- Australia/Lord_Howe
- Pacific/Kosrae
- Pacific/Bougainville
- Asia/Magadan
Using Antarctica/Macquarie in software
Store and send the zone as its IANA name, Antarctica/Macquarie, not as a fixed offset. A fixed offset such as UTC+11 gives the wrong result after the next clock change.
Show the current time in Antarctica/Macquarie:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Antarctica/Macquarie', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Antarctica/Macquarie'))
// PHP
(new DateTime('now', new DateTimeZone('Antarctica/Macquarie')))->format('c');
# Shell
TZ=Antarctica/Macquarie date
Tools for time in Antarctica/Macquarie
- Convert a time to or from Antarctica/Macquarie: pick a date and time and see it in every city on your list.
- Add Antarctica/Macquarie to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Antarctica/Macquarie 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 Antarctica/Macquarie?
UTC+10 in standard time and UTC+11 during daylight saving time. Right now it is UTC+11.
When does Antarctica/Macquarie 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 Antarctica/Macquarie use?
AEST in standard time and AEDT during daylight saving time. Abbreviations are not unique, so use the zone name Antarctica/Macquarie 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.