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AEST to CST Converter

CST is 15 hours behind AEST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.

CST to AEST instead

Time difference between AEST and CST

CST is 15 hours behind AEST for most of the year.

  • 2026: CST is 17 hours behind AEST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026.
  • 2026: CST is 16 hours behind AEST from Mar 8 – Apr 4, 2026, Oct 4 – Oct 31, 2026.
  • 2027: CST is 17 hours behind AEST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
  • 2027: CST is 16 hours behind AEST from Mar 14 – Apr 3, 2027, Oct 3 – Nov 6, 2027.

AEST to CST conversion table

AESTCSTMost of the yearCSTJan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026CSTMar 8 – Apr 4, 2026, Oct 4 – Oct 31, 2026
12 AM9 AM−1 day7 AM−1 day8 AM−1 day
1 AM10 AM−1 day8 AM−1 day9 AM−1 day
2 AM11 AM−1 day9 AM−1 day10 AM−1 day
3 AM12 PM−1 day10 AM−1 day11 AM−1 day
4 AM1 PM−1 day11 AM−1 day12 PM−1 day
5 AM2 PM−1 day12 PM−1 day1 PM−1 day
6 AM3 PM−1 day1 PM−1 day2 PM−1 day
7 AM4 PM−1 day2 PM−1 day3 PM−1 day
8 AM5 PM−1 day3 PM−1 day4 PM−1 day
9 AM6 PM−1 day4 PM−1 day5 PM−1 day
10 AM7 PM−1 day5 PM−1 day6 PM−1 day
11 AM8 PM−1 day6 PM−1 day7 PM−1 day
12 PM9 PM−1 day7 PM−1 day8 PM−1 day
1 PM10 PM−1 day8 PM−1 day9 PM−1 day
2 PM11 PM−1 day9 PM−1 day10 PM−1 day
3 PM12 AM10 PM−1 day11 PM−1 day
4 PM1 AM11 PM−1 day12 AM
5 PM2 AM12 AM1 AM
6 PM3 AM1 AM2 AM
7 PM4 AM2 AM3 AM
8 PM5 AM3 AM4 AM
9 PM6 AM4 AM5 AM
10 PM7 AM5 AM6 AM
11 PM8 AM6 AM7 AM

Best time to meet

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 7 AM – 12 PM AEST (4 PM – 9 PM CST).

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Frequently asked questions

What time is it in CST when it's 9 AM in AEST?

6 PM the previous day for most of the year. CST is 15 hours behind AEST.

How many hours is CST behind AEST?

Usually 15 hours. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: CST is 17 hours behind AEST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026. 2026: CST is 16 hours behind AEST from Mar 8 – Apr 4, 2026, Oct 4 – Oct 31, 2026.

Does AEST use daylight saving time?

Yes. Australian Eastern Time is UTC+11 (UTC+11) in January and UTC+10 (UTC+10) in July. Apr 4, 2026: clocks go back to UTC+10; Oct 3, 2026: clocks go forward to UTC+11.

Does CST use daylight saving time?

Yes. Central Time is UTC−6 (CST) in January and UTC−5 (CDT) in July. Mar 8, 2026: clocks go forward to UTC−5; Nov 1, 2026: clocks go back to UTC−6.

When is the best time to schedule a meeting between AEST and CST?

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 7 AM – 12 PM AEST (4 PM – 9 PM CST).

Which CST does this page use?

Here CST means US Central Time (UTC−6, CDT UTC−5 in summer), not China Standard Time. For China, see the Beijing pages.

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