Australia to Chicago Time Converter

Australia is 15 hours ahead of Chicago

Australia has multiple timezones — select a region:

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Chicago

USA · -15h

18:00-1 day

London

United Kingdom · -9h

00:00

New York

USA · -14h

19:00-1 day

Tokyo

Japan · -1h

08:00

Dubai

United Arab Emirates · -6h

03:00

Australia to Chicago — exact time difference

Australia is 15 hours ahead of Chicago. When Australia clocks hit noon, Chicago reads 21:00.

Australia is in the Australia/Sydney timezone. Chicago is in America/Chicago. The difference is 15 hours.

Working hours overlap

Australia and Chicago have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.

When to schedule across time zones

Since Australia and Chicago don't share working hours, these are the most practical options available.

07:00 Sydney / 16:00 Chicago⚡ One side off-hours

⚠️ 2h before working hours in Sydney

09:00 Sydney / 18:00 Chicago⚡ One side off-hours

⚠️ 2h after working hours in Chicago

06:00 Sydney / 15:00 Chicago⚡ One side off-hours

⚠️ 3h before working hours in Sydney

Based on standard 09:00–17:00 working hours in each location's local time.

Holiday calendar for both locations

⚡ Both locations have upcoming holidays, check availability before scheduling.

Australia6 holidays

Sep 28King's Birthday

Oct 5Labour Day

Oct 5King's Birthday

Nov 3Melbourne Cup

Dec 25Christmas Day

Chicago6 holidays

Sep 7Labour DaySOON

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Nov 11Veterans Day

Nov 26Thanksgiving Day

Working across Australia and Chicago

Working across Australia (Australia) and Chicago (USA) is a challenge — the 15-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.

💡 Best practice for cross-timezone meetings

⚡

When Australia is at 07:00, Chicago reads 16:00 — 2h before working hours in Sydney.

⚡

When Australia is at 09:00, Chicago reads 18:00 — 2h after working hours in Chicago.

⚡

When Australia is at 06:00, Chicago reads 15:00 — 3h before working hours in Sydney.

Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in Australia. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

Australia (Sydney (AEDT)) ↔ Chicago

No overlap — one side will join outside working hours

Australia (Sydney (AEDT))

Chicago