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CST to AEST converter
Central Time
—
Australian Eastern Time
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Australian Eastern Time is 15 hours ahead of Central Time for most of the year, and 17 hours ahead of or 16 hours ahead of for part of it, because the two change their clocks on different dates.
When does the difference change?
In 2026:
- January 1 to March 7: Australian Eastern Time is 17 hours ahead of Central Time
- March 8 to April 4: Australian Eastern Time is 16 hours ahead of Central Time
- April 5 to October 3: Australian Eastern Time is 15 hours ahead of Central Time
- October 4 to October 31: Australian Eastern Time is 16 hours ahead of Central Time
- November 1 to December 31: Australian Eastern Time is 17 hours ahead of Central Time
Questions
What time is 9 AM CST in AEST?
For most of the year, 9 AM Central Time is 12 AM the next day Australian Eastern Time. For part of the year it is 2 AM the next day or 1 AM the next day, because of daylight saving time.
How many hours ahead or behind is AEST from CST?
Australian Eastern Time is 15 hours ahead of Central Time for most of the year, and 17 hours ahead of or 16 hours ahead of for part of it, because the two change their clocks on different dates.
Does the CST to AEST difference change?
Yes. It changes 4 times in 2026 because of daylight saving time.
About these time zones
CST to AEST, hour by hour
| Central Time | Australian Eastern Time |
|---|---|
| 12 AM | 4 PM |
| 1 AM | 5 PM |
| 2 AM | 6 PM |
| 3 AM | 7 PM |
| 4 AM | 8 PM |
| 5 AM | 9 PM |
| 6 AM | 10 PM |
| 7 AM | 11 PM |
| 8 AM | 12 AM (next day) |
| 9 AM | 1 AM (next day) |
| 10 AM | 2 AM (next day) |
| 11 AM | 3 AM (next day) |
| 12 PM | 4 AM (next day) |
| 1 PM | 5 AM (next day) |
| 2 PM | 6 AM (next day) |
| 3 PM | 7 AM (next day) |
| 4 PM | 8 AM (next day) |
| 5 PM | 9 AM (next day) |
| 6 PM | 10 AM (next day) |
| 7 PM | 11 AM (next day) |
| 8 PM | 12 PM (next day) |
| 9 PM | 1 PM (next day) |
| 10 PM | 2 PM (next day) |
| 11 PM | 3 PM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.