St. Charles to Sydney time converter

Sydney is 16 hours ahead of St. Charles. When it is 9:00 AM in St. Charles, it is 1:00 AM (Wed, Oct 21) in Sydney.

St. Charles CDT

Tuesday, October 20, 2026

Sydney AEDT

Wednesday, October 21, 2026

St. Charles
Illinois, United States
Tue, Oct 20
CDTUTC-5
Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11+16h
Finding your time zone…
Shared working hours (9:00–18:00)

St. Charles to Sydney conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because St. Charles and Sydney switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Apr 3, 2027: +16h
  • Apr 3, 2027 – Oct 2, 2027: +15h
  • Oct 2, 2027 – Oct 20, 2027: +16h

Distance

St. Charles and Sydney are 14,821 km (9,209 miles) apart in a straight line.

More conversions

Sydney to St. CharlesSt. Charles to New YorkSt. Charles to LondonSt. Charles to Los AngelesSt. Charles to ChicagoSt. Charles to TorontoSt. Charles to São PauloSt. Charles to ParisSt. Charles to BerlinSt. Charles to MoscowSt. Charles to DubaiSt. Charles to New DelhiSt. Charles to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between St. Charles and Sydney?

Sydney is 16 hours ahead of St. Charles.

What time is it in Sydney when it is 9 AM in St. Charles?

When it is 9:00 AM in St. Charles, it is 1:00 AM (Wed, Oct 21) in Sydney.

When is the best time to call Sydney from St. Charles?

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

Does the time difference between St. Charles and Sydney change?

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