About this time zone
Macquarie is one of the 12 time zone areas of Australia. Computers and phones know it by the zone name Antarctica/Macquarie. Its time is UTC+11 in January and UTC+10 in July, because the clocks are changed during the year. The short names used for this time are AEDT and AEST. Compared with India (IST), it is 5 hours 30 minutes ahead of India in January and 4 hours 30 minutes ahead of India in July.
Clock changes in 2026 and 2027
Macquarie changes its clocks during the year. These are the changes for 2026 and 2027, worked out from the rules in the IANA time zone database.
| Clock change (local time) | New offset |
|---|---|
| Sunday 5 April 2026: at 3:00 am clocks go back 1 hour to 2:00 am | UTC+10 (AEST) |
| Sunday 4 October 2026: at 2:00 am clocks go forward 1 hour to 3:00 am | UTC+11 (AEDT) |
| Sunday 4 April 2027: at 3:00 am clocks go back 1 hour to 2:00 am | UTC+10 (AEST) |
| Sunday 3 October 2027: at 2:00 am clocks go forward 1 hour to 3:00 am | UTC+11 (AEDT) |
Governments sometimes change these rules at short notice. Check an official source before fixing travel or meetings far ahead.
Counting from those dates, the clocks in Macquarie stay forward for 182 days, from 4 October 2026 to 4 April 2027. That is about 26 weeks, or 50% of a year, on UTC+11 and the rest on UTC+10. The forward period runs across the new year, because summer in the southern half of the world falls in December and January.
Time difference with major cities
| When it is 12:00 noon in Macquarie, it is | In January 2026 | In July 2026 |
|---|---|---|
| India | 6:30 am5 hours 30 minutes behind | 7:30 am4 hours 30 minutes behind |
| United Kingdom | 1:00 am11 hours behind | 3:00 am9 hours behind |
| France | 2:00 am10 hours behind | 4:00 am8 hours behind |
| New York, United States | 8:00 pm previous day16 hours behind | 10:00 pm previous day14 hours behind |
| Chicago, United States | 7:00 pm previous day17 hours behind | 9:00 pm previous day15 hours behind |
| Los Angeles, United States | 5:00 pm previous day19 hours behind | 7:00 pm previous day17 hours behind |
| United Arab Emirates | 5:00 am7 hours behind | 6:00 am6 hours behind |
| Singapore | 9:00 am3 hours behind | 10:00 am2 hours behind |
| Japan | 10:00 am2 hours behind | 11:00 am1 hour behind |
| Sydney, Australia | 12:00 pmsame time | 12:00 pmsame time |
The table uses the offsets in force in mid January and mid July 2026. Use the converter for any other date.
Office hours shared with other places
If both sides work from 9 am to 6 pm, these are the hours when a call falls inside the working day at both ends. Times are for Macquarie.
- With India, in January: 2:30 pm to 6:00 pm here, which is 9:00 am to 12:30 pm in India (3 hours 30 minutes shared). In July: 1:30 pm to 6:00 pm here, which is 9:00 am to 1:30 pm in India (4 hours 30 minutes shared).
- With London, in January: no shared office hour: 9:00 am here is 10:00 pm in London, and 6:00 pm here is 7:00 am there, so one side has to start early or stay late. In July: no shared office hour: 9:00 am here is 12:00 am in London, and 6:00 pm here is 9:00 am there, so one side has to start early or stay late.
- With New York, in January: 9:00 am to 10:00 am here, which is 5:00 pm to 6:00 pm in New York (1 hour shared). In July: no shared office hour: 9:00 am here is 7:00 pm in New York, and 6:00 pm here is 4:00 am there, so one side has to start early or stay late.
Places with exactly the same time
These zones show the same time as Macquarie through the whole year: Hobart, Australia, Melbourne, Australia, Sydney, Australia.
The clock above uses your device's clock and the time zone rules built into your browser. Rules on this page: IANA time zone database 2026f. See About and data sources.