AEDT to CDT
-16hAEDT
AEDTSOURCECDT
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 Daylight 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.
CDT – Central Daylight Time
UTC-05:00Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.
- •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
- •CDT runs from the second Sunday in March to the first Sunday in November.
AEDT to CDT Time Difference – Complete Guide
AEDT runs on Australian Eastern Daylight Time (AEDT) at UTC+11:00. CDT runs on Central Daylight Time (CDT) at UTC-05:00. That puts AEDT 16 hours behind CDT — a difference of -16h at the current offsets.
In practice, when it is 9:00 AM in AEDT it is 5:00 PM in CDT on the previous day. Midnight in AEDT is 8:00 AM in CDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AEDT to CDT time conversion table
| AEDT (AEDT) | CDT (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 CDT time
- Scheduling a call from AEDT to CDT: a 10:00 AM start in AEDT lands at 6:00 PM in CDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -16h gap: AEDT and CDT 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 CDT is 5:00 PM in AEDT.
- Coordinating a AEDT-based team with CDT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- 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 CDT does.
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 CDT (Central Daylight Time)
Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.
Best time to call between AEDT and CDT
With a -16h offset there is no overlap inside a normal 9 AM – 5 PM day. CDT 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 CDT 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 CDT (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
CDT
☀ 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 CDT?
AEDT (AEDT, UTC+11:00) is 16 hours behind CDT (CDT, UTC-05:00). The gap is currently -16h.
How do I convert AEDT time to CDT time?
Add -16h to AEDT local time. For example, 9:00 AM in AEDT is 5:00 PM in CDT (previous day).
What time is it in CDT right now?
CDT 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 CDT 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 CDT.
Which is behind, AEDT or CDT?
AEDT is 16 hours behind CDT. When it is 12:00 PM in AEDT it is 8:00 PM in CDT.
Does daylight saving time affect the AEDT–CDT difference?
Neither zone observes daylight saving time, so the -16h offset between AEDT and CDT is fixed all year.
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 CDT?
Sometimes. The -16h gap is large enough that 8:00 PM or later in AEDT already falls on the in CDT.
What is the time difference between AEDT and CDT?
CDT is -16h from AEDT.
What timezone is AEDT in?
AEDT operates on its local timezone.
What timezone is CDT in?
CDT operates on its local timezone.
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 CDT timezone?
Major cities in the CDT timezone include Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
What is the UTC offset for CDT?
Central Daylight Time (CDT) is at UTC-05:00. During daylight saving time, it shifts to CST.
What should I know about the CDT timezone?
CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.
When is it midnight in AEDT, what time is it in CDT?
When it is 12:00 AM (midnight) in AEDT (AEDT), it is -16h later in CDT (CDT).
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- new york to aedt
- london to aedt
- dubai to aedt
- tokyo to aedt
- singapore to aedt
- sydney to aedt
- los angeles to aedt
- paris to aedt
- delhi to aedt
- mumbai to aedt
- berlin to aedt
- hong kong to aedt
- toronto to aedt
- kathmandu to aedt
See every conversion from AEDT →·See every conversion from CDT →