AEDT to Chicago
-16hAEDT
AEDTSOURCEChicago
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
AEDT and CDT on the World Map
The map below highlights the AEDT (Australian Eastern Daylight Time) and CDT (Central Standard Time) timezone regions across the globe.
AEDT – Australian Eastern Daylight Time
UTC+11:00Australian Eastern Daylight Time (AEDT, UTC+11:00) is the daylight saving period in south-eastern Australia, from October to April.
- •AEDT runs from the first Sunday in October to the first Sunday in April.
- •AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
- •Queensland does not observe daylight saving, so Brisbane stays on AEST.
- •During AEDT, Sydney is 16 hours ahead of New York and 11 hours ahead of UTC.
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •CST covers 20 US states fully or partially.
- •Chicago and Houston are the two largest cities in the Central Time Zone.
- •Mexico City, one of the world's most populous cities, operates on CST.
- •CST is 1 hour behind EST and 2 hours ahead of PST.
About Chicago
WikipediaChicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
The Chicago Board of Trade is the world's oldest futures and options exchange.
AEDT vs Chicago: Offsets, DST and Best Call Times
AEDT runs on Australian Eastern Daylight Time (AEDT) at UTC+11:00. Chicago runs on Central Daylight Time (CDT) at UTC-05:00, also currently on daylight saving time. That puts AEDT 16 hours behind Chicago — a difference of -16h at the current offsets.
In practice, when it is 9:00 AM in AEDT it is 5:00 PM in Chicago on the previous day. Midnight in AEDT is 8:00 AM in Chicago.Chicago observes daylight saving time while AEDT does not, so the gap narrows or widens by an hour part of the year.
AEDT to Chicago time conversion table
| AEDT (AEDT) | Chicago (CDT) | Day |
|---|---|---|
| 12:00 AM | 8:00 AM | previous day |
| 6:00 AM | 2:00 PM | previous day |
| 7:00 AM | 3:00 PM | previous day |
| 8:00 AM | 4:00 PM | previous day |
| 9:00 AM | 5:00 PM | previous day |
| 12:00 PM | 8:00 PM | previous day |
| 3:00 PM | 11:00 PM | previous day |
| 5:00 PM | 1:00 AM | same day |
| 6:00 PM | 2:00 AM | same day |
| 9:00 PM | 5:00 AM | same day |
Why people convert AEDT to Chicago time
- Scheduling a call from AEDT to Chicago: a 10:00 AM start in AEDT lands at 6:00 PM in Chicago the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -16h gap: AEDT and Chicago have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Chicago is 5:00 PM in AEDT.
- Booking travel or deliveries: tracking Chicago local time against AEDT keeps pickup windows and arrival estimates honest across the -16h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AEDT" is unambiguous; "3 PM" across a -16h gap is not.
- With a -16h gap there is no shared 9-to-5 window, so alternate the early start: one week AEDT takes the early slot, the next week Chicago does.
- Chicago: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
About AEDT (Australian Eastern Daylight Time)
Australian Eastern Daylight Time (AEDT) is the daylight saving period in south-eastern Australia, one hour ahead of Australian Eastern Standard Time (AEST, UTC+10:00). Because Australia is in the southern hemisphere, AEDT runs through the summer — from the first Sunday in October to the first Sunday in April — which is almost exactly the reverse of the European and North American schedules. New South Wales, Victoria, Tasmania and the Australian Capital Territory observe it; Queensland and the Northern Territory do not, so Brisbane stays on AEST year round while Sydney moves to AEDT. During AEDT, Sydney is 11 hours ahead of UTC and 16 hours ahead of New York.
About CST (Central Standard Time)
Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.
Best time to call between AEDT and Chicago
With a -16h offset there is no overlap inside a normal 9 AM – 5 PM day. Chicago opens at 9:00 AM CDT, which is 5:00 PM in AEDT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AEDT and Chicago have no shared working hours because of the -16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AEDT is 16 hours behind Chicago (AEDT UTC+11:00 → CDT UTC-05:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
AEDT
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
Chicago
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between AEDT and Chicago?
AEDT (AEDT, UTC+11:00) is 16 hours behind Chicago (CDT, UTC-05:00). The gap is currently -16h.
How do I convert AEDT time to Chicago time?
Add -16h to AEDT local time. For example, 9:00 AM in AEDT is 5:00 PM in Chicago (previous day).
What time is it in Chicago right now?
Chicago uses CDT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -16h offset from AEDT.
What is the best time to call Chicago from AEDT?
There is no shared working-hours window because of the -16h gap. The closest option is 1:00 PM in AEDT, which is 9:00 PM in Chicago.
Which is behind, AEDT or Chicago?
AEDT is 16 hours behind Chicago. When it is 12:00 PM in AEDT it is 8:00 PM in Chicago.
Do AEDT and Chicago use different time zones?
AEDT uses AEDT at UTC+11:00, while Chicago (USA) uses CDT at UTC-05:00. The IANA identifiers are Australia/Sydney and America/Chicago.
Does daylight saving time affect the AEDT–Chicago difference?
Yes at the moment: Chicago is on daylight saving time and AEDT is not, so the -16h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share AEDT's time zone?
AEDT also covers Sydney, Melbourne, Canberra, Hobart, Newcastle.
Which countries use AEDT, AEDT's zone?
AEDT is used in Australia (NSW, Victoria, Tasmania, ACT).
Is there a day difference between AEDT and Chicago?
Sometimes. The -16h gap is large enough that 8:00 PM or later in AEDT already falls on the in Chicago.
What is the time difference between AEDT and Chicago?
Chicago is -16h from AEDT.
What timezone is AEDT in?
AEDT operates on its local timezone.
What timezone is Chicago in?
Chicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
What are the business hours in Chicago?
Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.
Which countries use AEDT (Australian Eastern Daylight Time)?
AEDT is used in Australia (NSW, Victoria, Tasmania, ACT).
Does AEDT observe daylight saving time?
Yes, AEDT switches to AEDT during summer months.
What are some interesting facts about AEDT?
AEDT runs from the first Sunday in October to the first Sunday in April. AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
Which cities are in the CST timezone?
Major cities in the CST timezone include Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis.
What is the UTC offset for CST?
Central Standard Time (CST) is at UTC-06:00. During daylight saving time, it shifts to CDT.
What should I know about the CST timezone?
CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.
When is it midnight in AEDT, what time is it in Chicago?
When it is 12:00 AM (midnight) in AEDT (AEDT), it is -16h later in Chicago (CST).
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