Perth to Chicago Time Difference
Chicago is 13 hours behind Perth. When it is noon in Perth, it is 23:00 in Chicago.
Perth (UTC+8) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 19:00 in Perth, it's 06:00 in Chicago
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Perth & Chicago◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
17,664 km
Est. Flight Time
~21.8h
Time Difference
-13h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Perth
17:00
Chicago (-1)
09:00
Perth
20:00
Chicago (-1)
12:00
Perth
23:00
Chicago (-1)
15:00
Perth
02:00
Chicago
18:00
Perth
05:00
Chicago
21:00
Perth
08:00
Chicago
00:00
Perth
11:00
Chicago (-1)
03:00
Perth
14:00
Chicago (-1)
Frequently Asked Questions
How many hours is Perth ahead of Chicago?
Chicago is 13 hours behind Perth. When it is 12:00 noon in Perth, it is 23:00 in Chicago. Perth operates on Australia/Perth (UTC+8), while Chicago uses America/Chicago (UTC-5).
What is the best time to call Chicago from Perth?
Standard business hours (9 AM–5 PM) do not overlap between Perth and Chicago due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Perth to Chicago time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Perth and Chicago
The distance between Perth and Chicago is approximately 17,664 km. A direct flight typically takes around 21.8 hours. Your arrival clock will show local Chicago time — use our Flight Time Calculator to predict exact arrival times.