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AET to CT time converter
US Central is 15 hours behind Sydney for 182 days of 2026, and 17 hours behind for the other 127 days, because daylight saving changes the gap.
AET to CT conversion table
Local time in Sydney and the matching time in US Central on two reference dates, one in winter and one in summer for the northern hemisphere.
| Sydney (AET) | US Central on 15 January | US Central on 15 July |
|---|---|---|
| 08:00 | 15:00 (-1 day) | 17:00 (-1 day) |
| 09:00 | 16:00 (-1 day) | 18:00 (-1 day) |
| 10:00 | 17:00 (-1 day) | 19:00 (-1 day) |
| 12:00 | 19:00 (-1 day) | 21:00 (-1 day) |
| 15:00 | 22:00 (-1 day) | 00:00 |
| 17:00 | 00:00 | 02:00 |
| 18:00 | 01:00 | 03:00 |
| 21:00 | 04:00 | 06:00 |
Best meeting times between Sydney and US Central
- January: Inside both working days (09:00-17:00): 09:00-10:00 AET = 16:00-17:00 CT (-1 day).
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-12:00 AET = 16:00-21:00 CT (-1 day).
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between AET and CT
- Sydney moves its clocks back on 5 April and forward on 4 October in 2026.
- US Central moves its clocks forward on 8 March and back on 1 November in 2026.
- The gap is 15 hours for 182 days and 17 hours for 127 days of 2026.
About the two zones
Sydney. Sydney is on AEST (UTC+10) in winter and AEDT (UTC+11) in summer. Because it is in the southern hemisphere, its summer time runs from October to April, the opposite of Europe and North America.
US Central. US Central Time is UTC-6 in winter (CST) and UTC-5 in summer (CDT), changing together with the other US zones.
Frequently asked questions
What time is 9 AM AET in CT?
On 15 January, 09:00 in Sydney is 16:00 (-1 day) in US Central. On 15 July it is 18:00 (-1 day).
What is the time difference between Sydney and US Central?
US Central is 15 hours behind Sydney for 182 days of 2026, and 17 hours behind for the other 127 days, because daylight saving changes the gap.
Does the time difference between AET and CT change during the year?
Yes. Both zones change their clocks, on different dates, so the gap moves between 15 and 17 hours. Always convert with the actual date.
When is the best time for a meeting between Sydney and US Central?
Inside both working days (09:00-17:00): 09:00-10:00 AET = 16:00-17:00 CT (-1 day). In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-12:00 AET = 16:00-21:00 CT (-1 day).
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.