Does Chicago observe daylight saving time?

Yes. Chicago is on CDT (UTC-5) now, and its clocks go back 1 hour on Sun, Nov 1, to CST (UTC-6).

Does Sydney observe daylight saving time?

Yes. Sydney is on AEDT (UTC+11) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to AEST (UTC+10).

What time is it in Sydney when it's 9 AM in Chicago?

1:00 AM in Sydney, the next day (Sun, Oct 18, when it's Sat, Oct 17 in Chicago).

Chicago to Sydney Meeting Planner

Sydney is 16 hours ahead of Chicago right now. Their working days don't overlap today.

Chicago · United States

6:04 PM

Sat, Oct 17 · CDT · summer time

Sydney · Australia

10:04 AM

Sun, Oct 18 · AEDT · summer time

Best Meeting Times Between Chicago and Sydney

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 3:00 PM in Chicago, which is 7:00 AM in Sydney; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

ChicagoOrganizerUnited States ·· summer time6:04PMnow
SydneyAustralia ·· summer time10:04AMTomorrow · now

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Chicago

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Chicago time.

3:00PMBest · GoodWorking hours in Chicago (15:00); just outside working hours in Sydney (07:00, next day).
4:00PMOption 2 · GoodWorking hours in Chicago (16:00); just outside working hours in Sydney (08:00, next day).
5:00PMOption 3 · GoodWorking hours in Sydney (09:00, next day); just outside working hours in Chicago (17:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
ChicagoCDT
SydneyAEDT
UTC	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Chicago3:00 PM CDTSat, Oct 17
Sydney7:00 AM AEDTSun, Oct 18
UTC2026-10-17 20:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Chicago and Sydney

Sydney is 16 hours ahead of Chicago right now: Sydney is on AEDT (UTC+11) and Chicago on CDT (UTC-5). That changes on Sun, Nov 1, when clocks go back in Chicago: then Sydney is 17 hours ahead of Chicago.

Time difference between Chicago and Sydney over the next 12 months
From	Difference	Why
Now	Sydney 16 hours ahead	—
Sun, Nov 1	Sydney 17 hours ahead	Clocks go back in Chicago
Sun, Mar 14, 2027	Sydney 16 hours ahead	Clocks go forward in Chicago
Sun, Apr 4, 2027	Sydney 15 hours ahead	Clocks go back in Sydney
Sun, Oct 3, 2027	Sydney 16 hours ahead	Clocks go forward in Sydney

Chicago is on Central Standard Time. Sydney is on Australian Eastern Standard Time.

Frequently Asked Questions: Chicago & Sydney Scheduling

What is the time difference between Chicago and Sydney?: Sydney is 16 hours ahead of Chicago right now: Sydney is on AEDT (UTC+11) and Chicago on CDT (UTC-5). That changes on Sun, Nov 1, when clocks go back in Chicago: then Sydney is 17 hours ahead of Chicago.
What is the best time to schedule a meeting between Chicago and Sydney?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 3:00 PM in Chicago, which is 7:00 AM in Sydney; consider splitting into two shorter meetings or shifting someone's hours.
Does Chicago observe daylight saving time?: Yes. Chicago is on CDT (UTC-5) now, and its clocks go back 1 hour on Sun, Nov 1, to CST (UTC-6).
Does Sydney observe daylight saving time?: Yes. Sydney is on AEDT (UTC+11) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to AEST (UTC+10).
What time is it in Sydney when it's 9 AM in Chicago?: 1:00 AM in Sydney, the next day (Sun, Oct 18, when it's Sat, Oct 17 in Chicago).

Or see every city pair, or plan with more places in the meeting planner.