TimeToZone

Sydney Time to CST Converter

CST is 17 hours behind AEDT. 9:00 AM AEDT = 4:00 PM CST (previous day).

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Sydneyfrom
Sydney, Australia
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CST
Central Standard Time
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CST is 17 hours behind AEDT at the moment. To convert Sydney Time to CST, subtract 17 hours from the Sydney Time time: 9:00 AM AEDT = 4:00 PM CST (previous day).

Sydney Time (Sydney time) is used in Sydney, Australia. CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year.

CST here means North American Central Standard Time, not China Standard Time.

Sydney Time to CST time conversion table

Sydney Time to CST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

Sydney TimeCSTDay
12:00 AM AEDT7:00 AM CSTprevious day
1:00 AM AEDT8:00 AM CSTprevious day
2:00 AM AEDT9:00 AM CSTprevious day
3:00 AM AEDT10:00 AM CSTprevious day
4:00 AM AEDT11:00 AM CSTprevious day
5:00 AM AEDT12:00 PM CSTprevious day
6:00 AM AEDT1:00 PM CSTprevious day
7:00 AM AEDT2:00 PM CSTprevious day
8:00 AM AEDT3:00 PM CSTprevious day
9:00 AM AEDT4:00 PM CSTwork hours
10:00 AM AEDT5:00 PM CSTprevious day
11:00 AM AEDT6:00 PM CSTprevious day
12:00 PM AEDT7:00 PM CSTprevious day
1:00 PM AEDT8:00 PM CSTprevious day
2:00 PM AEDT9:00 PM CSTprevious day
3:00 PM AEDT10:00 PM CSTprevious day
4:00 PM AEDT11:00 PM CSTprevious day
5:00 PM AEDT12:00 AM CSTnight
6:00 PM AEDT1:00 AM CSTnight
7:00 PM AEDT2:00 AM CSTnight
8:00 PM AEDT3:00 AM CSTnight
9:00 PM AEDT4:00 AM CSTnight
10:00 PM AEDT5:00 AM CSTnight
11:00 PM AEDT6:00 AM CST—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert Sydney Time to CST

Subtract 17 hours from the Sydney Time time to get CST.

Example: 9:00 AM AEDT = 4:00 PM CST (previous day).

Across midnight: 1:00 AM AEDT = 8:00 AM CST (previous day). The date changes, so always check the day as well as the hour.

Time difference between Sydney Time and CST

The time difference between Sydney Time and CST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 7 Mar 2026: CST is 17 hours behind of Sydney Time.
  • 8 Mar 2026 – 4 Apr 2026: CST is 16 hours behind of Sydney Time.
  • 5 Apr 2026 – 3 Oct 2026: CST is 15 hours behind of Sydney Time.
  • 4 Oct 2026 – 31 Oct 2026: CST is 16 hours behind of Sydney Time.
  • 1 Nov 2026 – 31 Dec 2026: CST is 17 hours behind of Sydney Time.

Sydney Time and CST during daylight saving time

  • Sydney Time next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
  • CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).

Best time for a meeting between Sydney Time and CST

Sydney Time and CST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 2:00 PM CST.

Plan a meeting across more time zones.

Sydney Time to CST FAQ

What is the time difference between Sydney Time and CST?

Right now CST is 17 hours behind AEDT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM Sydney Time in CST?

9:00 AM AEDT is 4:00 PM CST (previous day).

What is 12 PM (noon) Sydney Time in CST?

12:00 PM AEDT is 7:00 PM CST (previous day).

Is CST ahead of or behind Sydney Time?

CST is 17 hours behind AEDT, so it is earlier in CST than in Sydney Time.

Does Sydney Time change for daylight saving time?

Yes. Sydney Time next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.

Does CST change for daylight saving time?

Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.

What is the best time for a meeting between Sydney Time and CST?

Sydney Time and CST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 2:00 PM CST.

Is CT the same as CST?

CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert CST to Sydney Time

Convert Sydney Time to other time zones

Convert other time zones to CST

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.