AEST to CST Time Converter

Central Standard Time (CST) is currently 16 hours behind Australian Eastern Standard Time (AEST). AEST is UTC+10 and CST is UTC-6. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.

Australian Eastern Standard Time (AEST)
--:--:--
(UTC+10)
Central Standard Time (CST)
--:--:--
(UTC-6)

Best Time for a Call

Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 5:00 PM in AEST, which is 9:00 AM to 5:00 PM in CST.

Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.

Hour by Hour: AEST to CST

AESTCST
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 dayoffice hours
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

Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.

Does the Difference Change During the Year?

AEST and CST are fixed offsets, so the difference between them never changes.

AEST is UTC+10. Sydney and Melbourne switch to AEDT (UTC+11) from October to April, while Brisbane stays on AEST year round.

This page covers North American Central Standard Time, UTC-6. The region switches to CDT (UTC-5) in summer. CST can also refer to China Standard Time, which is UTC+8.

Frequently Asked Questions

How many hours behind is CST compared to AEST?

CST is currently 16 hours behind AEST. AEST and CST are fixed offsets, so the difference between them never changes.

What time is 9:00 AM in AEST in CST?

9:00 AM in AEST is 5:00 PM in CST on the previous day.

What is the best time for a call between AEST and CST?

Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 5:00 PM in AEST, which is 9:00 AM to 5:00 PM in CST.