Chicago, United States Perth, Australia
Compare time between Chicago and Perth
Frequently Asked Questions
Chicago is in the CDT timezone (UTC-5) and Perth is in the AWST timezone (UTC+8). The time difference between them is 13 hours.
Use the timeline above to find overlapping business hours between Chicago and Perth. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Chicago observes Daylight Saving Time, while Perth does not. When DST is active in Chicago, the time difference changes by 1 hour.
Click the pencil icon next to the Chicago clock and type any time. The Perth clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.