CST to AEST Converter
Convert time between Central Standard Time (CST) and Australian Eastern Time (AEST/AEDT).
Convert a specific time
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEST, UTC-5
- Central Time – ChicagoCST, UTC-6
- Mountain Time – DenverMST, UTC-7
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPST, UTC-8
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonGMT, UTC+0
- Central Europe – Paris, BerlinCET, UTC+1
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEDT, UTC+11
- 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 YorkEST, UTC-5
- Central Time – ChicagoCST, UTC-6
- Mountain Time – DenverMST, UTC-7
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPST, UTC-8
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonGMT, UTC+0
- Central Europe – Paris, BerlinCET, UTC+1
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEDT, UTC+11
- 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
Central Time is 17 hours behind Australian Eastern Time right now.
- Now until Mar 14, 2027: Central Time is 17 hours behind Australian Eastern Time (CST → AEDT).
- Mar 14, 2027 – Apr 4, 2027: Central Time is 16 hours behind Australian Eastern Time (CDT → AEDT).
- Apr 4, 2027 – Oct 3, 2027: Central Time is 15 hours behind Australian Eastern Time (CDT → AEST).
- From Oct 3, 2027: Central Time is 16 hours behind Australian Eastern Time (CDT → AEDT).
Central Time is on CST right now
Australian Eastern Time is on AEDT right now, not AEST
Best time to call
Convenient overlapping hours on Monday, November 2, 2026.
| CST (Central Time) | AEDT (Australian Eastern Time) |
|---|---|
| 4:00 PM | 9:00 AM |
These hours fall within 9 AM–5 PM in both places.
Convert another time zone Plan a meeting across CST and AESTCST to AEST conversion table
For Sunday, November 1, 2026 in Central Time.
| CST | AEDT |
|---|---|
| 12:00 AM | 4:00 PM |
| 1:00 AM | 5:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AM(next day) |
| 8:00 AM | 1:00 AM(next day) |
| 9:00 AM | 2:00 AM(next day) |
| 10:00 AM | 3:00 AM(next day) |
| 11:00 AM | 4:00 AM(next day) |
| 12:00 PM | 5:00 AM(next day) |
| 1:00 PM | 6:00 AM(next day) |
| 2:00 PM | 7:00 AM(next day) |
| 3:00 PM | 8:00 AM(next day) |
| 4:00 PM | 9:00 AM(next day) |
| 5:00 PM | 10:00 AM(next day) |
| 6:00 PM | 11:00 AM(next day) |
| 7:00 PM | 12:00 PM(next day) |
| 8:00 PM | 1:00 PM(next day) |
| 9:00 PM | 2:00 PM(next day) |
| 10:00 PM | 3:00 PM(next day) |
| 11:00 PM | 4:00 PM(next day) |
About these time zones
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.
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.
CST to AEST FAQs
What time is it in AEST when it is 9 AM CST?
On Sunday, November 1, 2026, 9:00 AM CST is 2:00 AM AEDT (next day) in Australian Eastern Time.
How many hours ahead is CST from AEST?
It depends on the time of year because of daylight saving time. Now until Mar 14, 2027: Central Time is 17 hours behind Australian Eastern Time (CST → AEDT). Mar 14, 2027 – Apr 4, 2027: Central Time is 16 hours behind Australian Eastern Time (CDT → AEDT).
Should I use AEST or AEDT?
Australian Eastern Time is on AEDT (UTC+11) on Monday, November 2, 2026. Many people write “AEST” all year, but strictly AEST means Australian Eastern Standard Time (always UTC+10). This converter follows the real local time in Australian Eastern Time, including daylight saving time.
What is the best time for a call between CST and AEST?
On Monday, November 2, 2026, good options are 4:00 PM CST (9:00 AM AEDT). These fall within normal 9 AM–5 PM working hours in both places.
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.
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.