Chicago Time to AEST Converter
AEDT is 17 hours ahead of CST. 9:00 AM CST = 2:00 AM AEDT (next day).
AEDT is 17 hours ahead of CST at the moment. To convert Chicago Time to AEST, add 17 hours to the Chicago Time time: 9:00 AM CST = 2:00 AM AEDT (next day).
Chicago Time (Chicago time) is used in Chicago, USA. AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
Chicago Time to AEST time conversion table
Chicago Time to AEST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Chicago Time | 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 AM+1 |
| Chicago Time | AEST |
|---|---|
| 8:00 AM | 1:00 AM+1 |
| 9:00 AM | 2:00 AM+1 |
| 10:00 AM | 3:00 AM+1 |
| 11:00 AM | 4:00 AM+1 |
| 12:00 PM | 5:00 AM+1 |
| 1:00 PM | 6:00 AM+1 |
| 2:00 PM | 7:00 AM+1 |
| 3:00 PM | 8:00 AM+1 |
| Chicago Time | AEST |
|---|---|
| 4:00 PM | 9:00 AM+1 |
| 5:00 PM | 10:00 AM+1 |
| 6:00 PM | 11:00 AM+1 |
| 7:00 PM | 12:00 PM+1 |
| 8:00 PM | 1:00 PM+1 |
| 9:00 PM | 2:00 PM+1 |
| 10:00 PM | 3:00 PM+1 |
| 11:00 PM | 4:00 PM+1 |
Conversion table from Chicago Time to AEST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in AEST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Chicago Time to AEST
Add 17 hours to the Chicago Time time to get AEST.
Example: 9:00 AM CST = 2:00 AM AEDT (next day).
Across midnight: 10:00 PM CST = 3:00 PM AEDT (next day). The date changes, so always check the day as well as the hour.
Time difference between Chicago Time and AEST
The time difference between Chicago Time and AEST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: AEST is 17 hours ahead of Chicago Time.
- 8 Mar 2026 – 3 Apr 2026: AEST is 16 hours ahead of Chicago Time.
- 4 Apr 2026 – 2 Oct 2026: AEST is 15 hours ahead of Chicago Time.
- 3 Oct 2026 – 31 Oct 2026: AEST is 16 hours ahead of Chicago Time.
- 1 Nov 2026 – 30 Dec 2026: AEST is 17 hours ahead of Chicago Time.
Chicago Time and AEST during daylight saving time
- Chicago Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
Best time for a meeting between Chicago Time and AEST
Chicago Time and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 2:00 PM CST, which is 7:00 AM AEDT.
Chicago Time to AEST FAQ
What is the time difference between Chicago Time and AEST?
Right now AEDT is 17 hours ahead of CST. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Chicago Time in AEST?
9:00 AM CST is 2:00 AM AEDT (next day).
What is 12 PM (noon) Chicago Time in AEST?
12:00 PM CST is 5:00 AM AEDT (next day).
Is AEST ahead of or behind Chicago Time?
AEDT is 17 hours ahead of CST, so it is later in AEST than in Chicago Time.
Does Chicago Time change for daylight saving time?
Yes. Chicago Time next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
What is the best time for a meeting between Chicago Time and AEST?
Chicago Time and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 2:00 PM CST, which is 7:00 AM AEDT.
Related conversions
Convert AEST to Chicago Time
Convert Chicago Time to other time zones
Convert other time zones to AEST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.