AEDT to UTC Time Converter
UTC is 11 hours behind AEDT. AEDT is UTC+11:00, and UTC is the zero point, UTC±00:00.
Best Time to Call Between AEDT and UTC
Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 6:00 PM to 10:00 PM AEDT, which is 7:00 AM to 11:00 AM UTC.
both at work AEDT only UTC only neither — hours along the strip are AEDT.
Common Times Converted
AEDT on the left, UTC on the right.
AEDT to UTC: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| AEDT | UTC | Working hours |
|---|---|---|
| 12:00 AM | 1:00 PM prev day | UTC only |
| 1:00 AM | 2:00 PM prev day | UTC only |
| 2:00 AM | 3:00 PM prev day | UTC only |
| 3:00 AM | 4:00 PM prev day | UTC only |
| 4:00 AM | 5:00 PM prev day | — |
| 5:00 AM | 6:00 PM prev day | — |
| 6:00 AM | 7:00 PM prev day | — |
| 7:00 AM | 8:00 PM prev day | — |
| 8:00 AM | 9:00 PM prev day | — |
| 9:00 AM | 10:00 PM prev day | AEDT only |
| 10:00 AM | 11:00 PM prev day | AEDT only |
| 11:00 AM | 12:00 AM | AEDT only |
| 12:00 PM | 1:00 AM | AEDT only |
| 1:00 PM | 2:00 AM | AEDT only |
| 2:00 PM | 3:00 AM | AEDT only |
| 3:00 PM | 4:00 AM | AEDT only |
| 4:00 PM | 5:00 AM | AEDT only |
| 5:00 PM | 6:00 AM | — |
| 6:00 PM | 7:00 AM | — |
| 7:00 PM | 8:00 AM | — |
| 8:00 PM | 9:00 AM | UTC only |
| 9:00 PM | 10:00 AM | UTC only |
| 10:00 PM | 11:00 AM | UTC only |
| 11:00 PM | 12:00 PM | UTC only |
What AEDT and UTC Actually Are
AEDT — Australian Eastern Daylight Time
Sydney, Melbourne, Canberra, Hobart from October to April. Standing at UTC+11:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, April 4, 2027, to AEST. Brisbane and the rest of Queensland stay on AEST year-round, so they fall an hour behind Sydney each summer.
AEDT is the southern summer half of Eastern Australia, running roughly October to April — the opposite half of the year from northern hemisphere daylight time.
UTC — Coordinated Universal Time
The global reference standard. Aviation, computing and science run on it. Standing at UTC as written, and the region does not change its clocks, so that offset holds all year.
UTC is not a place. It is a computed standard, kept within a second of mean solar time at Greenwich by atomic clocks, and it is the reference every other zone is defined against.
What This Means in Practice
The date changes mid-working-day
For 2 of the eight hours in a normal AEDT working day, the equivalent UTC time falls on a different calendar date. Anything scheduled in that stretch needs the date checked as well as the time, or a Tuesday call quietly becomes a Wednesday one at the other end.
This gap is not fixed
AEDT changes its clocks and UTC does not, so the difference between them moves by an hour twice a year. A recurring meeting set now will drift for one side from Sunday, April 4, 2027 unless someone resets it.
Nearly opposite sides of the clock
At 11 hours apart, one side's morning is the other side's night. Handing work over at the end of a shift usually beats trying to get both parties in the same call.
Major Cities in Each Zone
Cities on AEDT
Frequently Asked Questions
What is the time difference between AEDT and UTC?
UTC is 11 hours behind AEDT.
What is 9:00 AM AEDT in UTC?
9:00 AM AEDT is 10:00 PM the previous day UTC.
What are the best hours to schedule a call between AEDT and UTC?
Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 6:00 PM to 10:00 PM AEDT, which is 7:00 AM to 11:00 AM UTC.
Does the difference between AEDT and UTC change during the year?
Yes. AEDT observes daylight saving and UTC does not, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, April 4, 2027.
Does AEDT always mean Australian Eastern Daylight Time?
Brisbane and the rest of Queensland stay on AEST year-round, so they fall an hour behind Sydney each summer.