AEST to CST Converter

Convert Australian Eastern Time (AEST) to Central Time (CST), with daylight saving time handled for you.

CST to AEST

Now in AEST

4:02 AM

Australian Eastern Time · Sydney

Now in CST

1:02 PM

Central Time · Chicago

Results

4:02 AM AEST in CST

1:02 PM

Central Time · previous day · right now CST is 15 hours behind AEST

Times follow Sydney for AEST and Chicago for CST, using the IANA time zone database.

AEST to CST time difference

CST is 15 hours behind AEST for most of 2026, and 17 hours behind AEST for about 127 days, and 16 hours behind AEST for about 56 days, because daylight saving time changes on different dates.

In 2026, Australian Eastern Time switches back to AEST on April 5 and to AEDT on October 4. In 2026, Central Time switches to CDT on March 8 and back to CST on November 1.

AEST to CST conversion table

Every hour on 2026-09-29. Highlighted rows fall inside 9 AM–5 PM in both zones.

AEST (Australian Eastern Time)CST (Central Time)
12:00 AM9:00 AM · previous day
1:00 AM10:00 AM · previous day
2:00 AM11:00 AM · previous day
3:00 AM12:00 PM · previous day
4:00 AM1:00 PM · previous day
5:00 AM2:00 PM · previous day
6:00 AM3:00 PM · previous day
7:00 AM4:00 PM · previous day
8:00 AM5:00 PM · previous day
9:00 AM6:00 PM · previous day
10:00 AM7:00 PM · previous day
11:00 AM8:00 PM · previous day
12:00 PM9:00 PM · previous day
1:00 PM10:00 PM · previous day
2:00 PM11:00 PM · previous day
3:00 PM12:00 AM
4:00 PM1:00 AM
5:00 PM2:00 AM
6:00 PM3:00 AM
7:00 PM4:00 AM
8:00 PM5:00 AM
9:00 PM6:00 AM
10:00 PM7:00 AM
11:00 PM8:00 AM

Working hours overlap

On 2026-09-29, 9 AM–5 PM workdays in AEST and CST don't overlap. Try an early start in one zone and a late finish in the other, or use the meeting planner.

Convert AEST to other time zones

How to use

Follow these steps to get a result

  1. Pick a date and a time in Australian Eastern Time (AEST).

  2. Read the matching CST time, including whether it falls on the next or previous day.

  3. Scan the 24-hour table to see every hour at once, with shared working hours highlighted.

Features

What this tool includes

  • Live clocks for both time zones

  • Daylight saving time handled automatically

  • 24-hour conversion table

  • Working-hours overlap

FAQ

Common questions about this tool

CST is 15 hours behind AEST for most of 2026, and 17 hours behind AEST for about 127 days, and 16 hours behind AEST for about 56 days, because daylight saving time changes on different dates.

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