AEST to CST Converter
Convert time between Australian Eastern Standard Time (AEST) and Central Time (CST/CDT).
Convert a specific time
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
Time Difference
Australian Eastern Time is 15 hours ahead of Central Time right now.
- Now until Oct 4, 2026: Australian Eastern Time is 15 hours ahead of Central Time (AEST → CDT).
- Oct 4, 2026 – Nov 1, 2026: Australian Eastern Time is 16 hours ahead of Central Time (AEDT → CDT).
- Nov 1, 2026 – Mar 14, 2027: Australian Eastern Time is 17 hours ahead of Central Time (AEDT → CST).
- Mar 14, 2027 – Apr 4, 2027: Australian Eastern Time is 16 hours ahead of Central Time (AEDT → CDT).
- From Apr 4, 2027: Australian Eastern Time is 15 hours ahead of Central Time (AEST → CDT).
Australian Eastern Time is on AEST right now
Central Time is on CDT right now, not CST
Best time to call
Convenient overlapping hours on Saturday, September 19, 2026.
| AEST (Australian Eastern Time) | CDT (Central Time) |
|---|---|
| 7:00 AM | 4:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 PM |
No 9 AM–5 PM overlap: suggestions are within working hours on one side and between 7 AM and 10 PM on the other.
Convert another time zone Plan a meeting across AEST and CSTAEST to CST conversion table
For Sunday, September 20, 2026 in Australian Eastern Time.
| AEST | CDT |
|---|---|
| 12:00 AM | 9:00 AM(previous day) |
| 1:00 AM | 10:00 AM(previous day) |
| 2:00 AM | 11:00 AM(previous day) |
| 3:00 AM | 12:00 PM(previous day) |
| 4:00 AM | 1:00 PM(previous day) |
| 5:00 AM | 2:00 PM(previous day) |
| 6:00 AM | 3:00 PM(previous day) |
| 7:00 AM | 4:00 PM(previous day) |
| 8:00 AM | 5:00 PM(previous day) |
| 9:00 AM | 6:00 PM(previous day) |
| 10:00 AM | 7:00 PM(previous day) |
| 11:00 AM | 8:00 PM(previous day) |
| 12:00 PM | 9:00 PM(previous day) |
| 1:00 PM | 10:00 PM(previous day) |
| 2:00 PM | 11:00 PM(previous day) |
| 3:00 PM | 12:00 AM |
| 4:00 PM | 1:00 AM |
| 5:00 PM | 2:00 AM |
| 6:00 PM | 3:00 AM |
| 7:00 PM | 4:00 AM |
| 8:00 PM | 5:00 AM |
| 9:00 PM | 6:00 AM |
| 10:00 PM | 7:00 AM |
| 11:00 PM | 8:00 AM |
About these time zones
Australian Eastern Standard Time (AEST)
Australian Eastern Standard Time (AEST) is UTC+10. New South Wales, Victoria, Tasmania and the ACT use AEST in winter and Australian Eastern Daylight Time (AEDT, UTC+11) from the first Sunday in October to the first Sunday in April. Queensland stays on AEST all year.
Central Standard Time (CST)
Central Standard Time (CST) is UTC-6. Most of the central United States and Manitoba use CST only in winter and switch to Central Daylight Time (CDT, UTC-5) from the second Sunday in March to the first Sunday in November. Most of Saskatchewan, most of Mexico and much of Central America stay on CST all year.
AEST to CST FAQs
What time is it in CST when it is 9 AM AEST?
On Sunday, September 20, 2026, 9:00 AM AEST is 6:00 PM CDT (previous day) in Central Time.
How many hours ahead is AEST from CST?
It depends on the time of year because of daylight saving time. Now until Oct 4, 2026: Australian Eastern Time is 15 hours ahead of Central Time (AEST → CDT). Oct 4, 2026 – Nov 1, 2026: Australian Eastern Time is 16 hours ahead of Central Time (AEDT → CDT).
Should I use CST or CDT?
Central Time is on CDT (UTC-5) on Saturday, September 19, 2026. Many people write “CST” all year, but strictly CST means Central Standard Time (always UTC-6). This converter follows the real local time in Central Time, including daylight saving time.
What is the best time for a call between AEST and CST?
On Saturday, September 19, 2026, good options are 7:00 AM AEST (4:00 PM CDT), 9:00 AM AEST (6:00 PM CDT), 10:00 AM AEST (7:00 PM CDT), 11:00 AM AEST (8:00 PM CDT). There is no overlap of 9 AM–5 PM working hours, so these fall early or late for one side.
Does AEST change for daylight saving time?
The region changes: Australian Eastern Time switches between AEST and AEDT, so conversions depend on the date. AEST itself always means UTC+10.
Does CST change for daylight saving time?
The region changes: Central Time switches between CST and CDT, so conversions depend on the date. CST itself always means UTC-6.