Sydney to Illinois time converter

Illinois is 16 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 PM (Sat, Oct 17) in Illinois.

Sydney AEDT

Sunday, October 18, 2026

Illinois CDT

Sunday, October 18, 2026

Sydney
New South Wales, Australia
Sun, Oct 18
AEDTUTC+11
Illinois
United States
Sun, Oct 18
CDTUTC-5-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Illinois conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Sydney (5:00 PM – 6:00 PM in Illinois).

Daylight saving time and the difference

The difference changes during the year because Sydney and Illinois switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Apr 4, 2027: -16h
  • Apr 4, 2027 – Oct 3, 2027: -15h
  • Oct 3, 2027 – Oct 18, 2027: -16h

More conversions

Illinois to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to IllinoisLondon to IllinoisLos Angeles to IllinoisChicago to IllinoisToronto to IllinoisSão Paulo to IllinoisParis to IllinoisBerlin to IllinoisMoscow to IllinoisDubai to IllinoisNew Delhi to IllinoisBangkok to Illinois

Questions and answers

What is the time difference between Sydney and Illinois?

Illinois is 16 hours behind Sydney.

What time is it in Illinois when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 PM (Sat, Oct 17) in Illinois.

When is the best time to call Illinois from Sydney?

Both sides are at work from 9:00 AM – 10:00 AM in Sydney (5:00 PM – 6:00 PM in Illinois).

Does the time difference between Sydney and Illinois change?

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