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ACST to CST Time Converter

CST is 16 hours 30 minutes behind ACST right now. 9:00 AM in ACST is 4:30 PM in CST (the day before).

Time now: ACST and CST

🌐 Australian Central Time9:42 AMTuesday, November 10 · UTC+10:30
🌐 Central Time (US & Canada)5:12 PMMonday, November 9 · UTC-06:00

CST is 16 hours 30 minutes behind ACST right now. The gap is not fixed: it is 16 hours 30 minutes at some times of the year and 14 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

ACST to CST conversion table

Every hour of the day, using today's time difference.

ACSTCST
12:00 AM7:30 AMprevious day
1:00 AM8:30 AMprevious day
2:00 AM9:30 AMprevious day
3:00 AM10:30 AMprevious day
4:00 AM11:30 AMprevious day
5:00 AM12:30 PMprevious day
6:00 AM1:30 PMprevious day
7:00 AM2:30 PMprevious day
8:00 AM3:30 PMprevious day
9:00 AM4:30 PMprevious day
10:00 AM5:30 PMprevious day
11:00 AM6:30 PMprevious day
12:00 PM7:30 PMprevious day
1:00 PM8:30 PMprevious day
2:00 PM9:30 PMprevious day
3:00 PM10:30 PMprevious day
4:00 PM11:30 PMprevious day
5:00 PM12:30 AM
6:00 PM1:30 AM
7:00 PM2:30 AM
8:00 PM3:30 AM
9:00 PM4:30 AM
10:00 PM5:30 AM
11:00 PM6:30 AM

Best time to meet between ACST and CST

Working hours overlap (9 AM – 6 PM in both places):

  • 9:00 AM – 11:00 AM ACST = 4:30 PM – 6:30 PM CST

The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.

Does the time difference between ACST and CST change?

Yes. Right now CST is 16 hours 30 minutes behind ACST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 14 March 2027: CST moves its clocks forward. CST is 15 hours 30 minutes behind ACST from then (it was 16 hours 30 minutes before).
  • Sunday, 4 April 2027: ACST moves its clocks back. CST is 14 hours 30 minutes behind ACST from then (it was 15 hours 30 minutes before).
  • Sunday, 3 October 2027: ACST moves its clocks forward. CST is 15 hours 30 minutes behind ACST from then (it was 14 hours 30 minutes before).
  • Sunday, 7 November 2027: CST moves its clocks back. CST is 16 hours 30 minutes behind ACST from then (it was 15 hours 30 minutes before).

Office hours in each other's time

  • 9 AM to 6 PM in ACST is 4:30 PM (previous day) to 1:30 AM in CST.
  • 9 AM to 6 PM in CST is 1:30 AM (next day) to 10:30 AM (next day) in ACST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between ACST and CST?

CST is 16 hours 30 minutes behind ACST right now. The gap is not fixed: it is 16 hours 30 minutes at some times of the year and 14 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

How do I convert ACST to CST?

Subtract 16 hours 30 minutes from the ACST time to get the CST time (at today's difference). 9:00 AM in ACST is 4:30 PM in CST (the day before). Or use the converter above and pick any date and time.

What is the current time in CST?

It is 5:12 PM in CST on Monday, November 9 (the converter above shows it live). At the same moment it is 9:42 AM in ACST.

Does the time difference between ACST and CST change during the year?

Yes. Right now CST is 16 hours 30 minutes behind ACST. Over the next 12 months the gap changes 4 times: Sunday, 14 March 2027: CST moves its clocks forward. CST is 15 hours 30 minutes behind ACST from then (it was 16 hours 30 minutes before). Sunday, 4 April 2027: ACST moves its clocks back. CST is 14 hours 30 minutes behind ACST from then (it was 15 hours 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. CST is 15 hours 30 minutes behind ACST from then (it was 14 hours 30 minutes before). Sunday, 7 November 2027: CST moves its clocks back. CST is 16 hours 30 minutes behind ACST from then (it was 15 hours 30 minutes before).

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

Between 9 AM and 6 PM in both places you can meet at 9:00 AM – 11:00 AM ACST = 4:30 PM – 6:30 PM CST. Check the overlap section on this page for every option.

What does CST mean?

Central Time is CST (UTC-06:00) in winter and CDT (UTC-05:00) in summer.

More conversions

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