Chicago vs Sydney — Time Zone & Clock
Chicago is behind by 15 hours
Quick time conversions: Chicago → Sydney
Common reference points to help you plan across the time difference.
If it's 5:00 PM in Chicago, it's 8:00 AM in Sydney.(+1 day)
If I call at 7:00 AM from Chicago, what time is it in Sydney?—10:00 PM
4:00 PMin Chicago→7:00 AMin Sydney(+1 day)
At 1:00 PM Chicago time, you're looking at 4:00 AM in Sydney.(+1 day)
3:00 PMin Chicago→6:00 AMin Sydney(+1 day)
Frequently Asked Questions
How far ahead or behind is Sydney from Chicago?
Chicago and Sydney are 15 hours apart. Chicago (America/Chicago) is behind Sydney (Australia/Sydney).
Is there a mutual working window between Chicago and Sydney?
No mutual business hours exist between Chicago and Sydney. The 15 hours difference pushes them into completely separate workdays.
Will daylight saving affect my Chicago–Sydney meetings this week?
Neither Chicago nor Sydney has a DST transition this week. The 15 hours gap remains consistent.
When it is 12:00 noon in Chicago, what time is it in Sydney?
When it is 12:00 noon in Chicago, it is 3:00 AM in Sydney.
How can I quickly find the current time in Sydney from Chicago?
The live slider at the top converts any Chicago time to Sydney instantly. You can also type natural language like "9am" or "15:30".
Are there any upcoming public holidays in Chicago or Sydney?
Yes — Chicago has an upcoming public holiday: Independence Day on July 3. Check the holiday panel above before confirming meetings.
Which UTC offsets do Chicago and Sydney follow?
Chicago is in the America/Chicago timezone. Sydney is in Australia/Sydney. The difference is 15 hours.
5 PM in Chicago is what time in Sydney?
5 PM Chicago → 8:00 AM Sydney. Your Sydney contact won't see it until their workday begins.
Chicago ↔ Sydney
No overlap — one side will join outside working hours
Chicago
Sydney
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.