Chicago to Perth Time Difference
Perth is 13 hours ahead of Chicago. When it is noon in Chicago, it is 01:00 in Perth.
Chicago (UTC-5) → Perth (UTC+8)
🕐 Interactive Time Explorer
When it's 11:00 in Chicago, it's 00:00 in Perth
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Perth◐ 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
Chicago
19:00
Perth
09:00
Chicago
22:00
Perth
12:00
Chicago
01:00
Perth (+1)
15:00
Chicago
04:00
Perth (+1)
18:00
Chicago
07:00
Perth (+1)
21:00
Chicago
10:00
Perth (+1)
00:00
Chicago
13:00
Perth
03:00
Chicago
16:00
Perth
Frequently Asked Questions
How many hours is Chicago behind Perth?
Perth is 13 hours ahead of Chicago. When it is 12:00 noon in Chicago, it is 01:00 in Perth. Chicago operates on America/Chicago (UTC-5), while Perth uses Australia/Perth (UTC+8).
What is the best time to call Perth from Chicago?
Standard business hours (9 AM–5 PM) do not overlap between Chicago and Perth due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Chicago to Perth 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 Chicago and Perth
The distance between Chicago and Perth is approximately 17,664 km. A direct flight typically takes around 21.8 hours. Your arrival clock will show local Perth time — use our Flight Time Calculator to predict exact arrival times.