CST to AEST Time Converter
AEST is 17 hours ahead of CST right now. 9:00 AM in CST is 2:00 AM in AEST (next day).
Time now: CST and AEST
AEST is 17 hours ahead of CST right now. The gap is not fixed: it is 15 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
CST to AEST conversion table
Every hour of the day, using today's time difference.
| CST | AEST |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 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 AMnext day |
| 8:00 AM | 1:00 AMnext day |
| 9:00 AM | 2:00 AMnext day |
| 10:00 AM | 3:00 AMnext day |
| 11:00 AM | 4:00 AMnext day |
| 12:00 PM | 5:00 AMnext day |
| 1:00 PM | 6:00 AMnext day |
| 2:00 PM | 7:00 AMnext day |
| 3:00 PM | 8:00 AMnext day |
| 4:00 PM | 9:00 AMnext day |
| 5:00 PM | 10:00 AMnext day |
| 6:00 PM | 11:00 AMnext day |
| 7:00 PM | 12:00 PMnext day |
| 8:00 PM | 1:00 PMnext day |
| 9:00 PM | 2:00 PMnext day |
| 10:00 PM | 3:00 PMnext day |
| 11:00 PM | 4:00 PMnext day |
Best time to meet between CST and AEST
Working hours overlap (9 AM – 6 PM in both places):
- 4:00 PM – 6:00 PM CST = 9:00 AM – 11:00 AM AEST
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between CST and AEST change?
Yes. Right now AEST is 17 hours ahead of CST. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: CST moves its clocks forward. AEST is 16 hours ahead of CST from then (it was 17 hours before).
- Sunday, 4 April 2027: AEST moves its clocks back. AEST is 15 hours ahead of CST from then (it was 16 hours before).
- Sunday, 3 October 2027: AEST moves its clocks forward. AEST is 16 hours ahead of CST from then (it was 15 hours before).
- Sunday, 7 November 2027: CST moves its clocks back. AEST is 17 hours ahead of CST from then (it was 16 hours before).
Office hours in each other's time
- 9 AM to 6 PM in CST is 2:00 AM (next day) to 11:00 AM (next day) in AEST.
- 9 AM to 6 PM in AEST is 4:00 PM (previous day) to 1:00 AM in CST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between CST and AEST?
AEST is 17 hours ahead of CST right now. The gap is not fixed: it is 15 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert CST to AEST?
Add 17 hours to the CST time to get the AEST time (at today's difference). 9:00 AM in CST is 2:00 AM in AEST (next day). Or use the converter above and pick any date and time.
What is the current time in AEST?
It is 10:58 AM in AEST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 5:58 PM in CST.
Does the time difference between CST and AEST change during the year?
Yes. Right now AEST is 17 hours ahead of CST. Over the next 12 months the gap changes 4 times: Sunday, 14 March 2027: CST moves its clocks forward. AEST is 16 hours ahead of CST from then (it was 17 hours before). Sunday, 4 April 2027: AEST moves its clocks back. AEST is 15 hours ahead of CST from then (it was 16 hours before). Sunday, 3 October 2027: AEST moves its clocks forward. AEST is 16 hours ahead of CST from then (it was 15 hours before). Sunday, 7 November 2027: CST moves its clocks back. AEST is 17 hours ahead of CST from then (it was 16 hours before).
What is the best time for a meeting between CST and AEST?
Between 9 AM and 6 PM in both places you can meet at 4:00 PM – 6:00 PM CST = 9:00 AM – 11:00 AM AEST. Check the overlap section on this page for every option.
What does CST mean?
Central Time is CST (UTC-06:00) in winter and CDT (UTC-05:00) in summer.
What does AEST mean?
Sydney and Melbourne use AEST (UTC+10:00) in winter and AEDT (UTC+11:00) in summer. Brisbane stays on AEST all year.