Sydney to St. Charles time converter

St. Charles is 16 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 PM (Tue, Oct 20) in St. Charles.

Sydney AEDT

Wednesday, October 21, 2026

St. Charles CDT

Tuesday, October 20, 2026

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

Sydney to St. Charles conversion table

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

SydneySt. Charles
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 St. Charles).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -16h

Distance

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

More conversions

St. Charles 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 St. CharlesLondon to St. CharlesLos Angeles to St. CharlesChicago to St. CharlesToronto to St. CharlesSão Paulo to St. CharlesParis to St. CharlesBerlin to St. CharlesMoscow to St. CharlesDubai to St. CharlesNew Delhi to St. CharlesBangkok to St. Charles

Questions and answers

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

St. Charles is 16 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 5:00 PM (Tue, Oct 20) in St. Charles.

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

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

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

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