Sydney to St. Louis time converter

St. Louis is 16 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 PM (Mon, Oct 19) in St. Louis.

Sydney AEDT

Tuesday, October 20, 2026

St. Louis CDT

Monday, October 19, 2026

Sydney
New South Wales, Australia
Tue, Oct 20
AEDTUTC+11
St. Louis
Missouri, United States
Mon, Oct 19
CDTUTC-5-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to St. Louis conversion table

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

SydneySt. Louis
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. Louis).

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: -16h

Distance

Sydney and St. Louis are 14,586 km (9,063 miles) apart in a straight line.

More conversions

St. Louis 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. LouisLondon to St. LouisLos Angeles to St. LouisChicago to St. LouisToronto to St. LouisSão Paulo to St. LouisParis to St. LouisBerlin to St. LouisMoscow to St. LouisDubai to St. LouisNew Delhi to St. LouisBangkok to St. Louis

Questions and answers

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

St. Louis is 16 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 5:00 PM (Mon, Oct 19) in St. Louis.

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

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

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

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