Chicago to Perth time converter

Perth is 6 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 3:00 PM in Perth.

Chicago CDT

Sunday, October 18, 2026

Perth BST

Monday, October 19, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
Perth
United Kingdom
Mon, Oct 19
BSTUTC+1+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Perth conversion table

Every hour of today in Chicago and the matching time in Perth. Light rows are typical working hours (9:00–18:00).

ChicagoPerth
12:00 AM6:00 AM
1:00 AM7:00 AM
2:00 AM8:00 AM
3:00 AM9:00 AM
4:00 AM10:00 AM
5:00 AM11:00 AM
6:00 AM12:00 PM
7:00 AM1:00 PM
8:00 AM2:00 PM
9:00 AM3:00 PM
10:00 AM4:00 PM
11:00 AM5:00 PM
12:00 PM6:00 PM
1:00 PM7:00 PM
2:00 PM8:00 PM
3:00 PM9:00 PM
4:00 PM10:00 PM
5:00 PM11:00 PM
6:00 PM12:00 AM+1 day
7:00 PM1:00 AM+1 day
8:00 PM2:00 AM+1 day
9:00 PM3:00 AM+1 day
10:00 PM4:00 AM+1 day
11:00 PM5:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Chicago (3:00 PM – 6:00 PM in Perth).

Daylight saving time and the difference

The difference changes during the year because Chicago and Perth switch clocks on different dates:

  • Oct 18, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 18, 2027: +6h

Distance

Chicago and Perth are 5,930 km (3,685 miles) apart in a straight line.

More conversions

Perth to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to PerthLondon to PerthLos Angeles to PerthToronto to PerthSão Paulo to PerthParis to PerthBerlin to PerthMoscow to PerthDubai to PerthNew Delhi to PerthBangkok to PerthSingapore to Perth

Questions and answers

What is the time difference between Chicago and Perth?

Perth is 6 hours ahead of Chicago.

What time is it in Perth when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 3:00 PM in Perth.

When is the best time to call Perth from Chicago?

Both sides are at work from 9:00 AM – 12:00 PM in Chicago (3:00 PM – 6:00 PM in Perth).

Does the time difference between Chicago and Perth change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.