AEDT to EST Time Converter
EST is 15 hours behind AEDT. AEDT is UTC+11:00, and The US East Coast is currently on EDT (UTC-4:00).
Best Time to Call Between AEDT and EST
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 7:00 AM to 1:00 PM AEDT, which is 4:00 PM to 10:00 PM EST.
both at work AEDT only EST only neither — hours along the strip are AEDT.
Common Times Converted
AEDT on the left, EST on the right.
AEDT to EST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| AEDT | EST | Working hours |
|---|---|---|
| 12:00 AM | 9:00 AM prev day | EST only |
| 1:00 AM | 10:00 AM prev day | EST only |
| 2:00 AM | 11:00 AM prev day | EST only |
| 3:00 AM | 12:00 PM prev day | EST only |
| 4:00 AM | 1:00 PM prev day | EST only |
| 5:00 AM | 2:00 PM prev day | EST only |
| 6:00 AM | 3:00 PM prev day | EST only |
| 7:00 AM | 4:00 PM prev day | EST only |
| 8:00 AM | 5:00 PM prev day | — |
| 9:00 AM | 6:00 PM prev day | AEDT only |
| 10:00 AM | 7:00 PM prev day | AEDT only |
| 11:00 AM | 8:00 PM prev day | AEDT only |
| 12:00 PM | 9:00 PM prev day | AEDT only |
| 1:00 PM | 10:00 PM prev day | AEDT only |
| 2:00 PM | 11:00 PM prev day | AEDT only |
| 3:00 PM | 12:00 AM | AEDT only |
| 4:00 PM | 1:00 AM | AEDT only |
| 5:00 PM | 2:00 AM | — |
| 6:00 PM | 3:00 AM | — |
| 7:00 PM | 4:00 AM | — |
| 8:00 PM | 5:00 AM | — |
| 9:00 PM | 6:00 AM | — |
| 10:00 PM | 7:00 AM | — |
| 11:00 PM | 8:00 AM | — |
What AEDT and EST 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.
EST — Eastern Standard Time
New York, Toronto, Washington DC, Atlanta, Miami, Boston. Standing at UTC-5:00 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, November 1, 2026, to EST. Australia also uses EST for its own Eastern Standard Time (UTC+10), now more often written AEST.
Eastern Standard Time is only actually in force from early November to mid-March. For the other eight months the same region is on EDT, which is why so many EST conversions are quietly wrong.
What This Means in Practice
The date changes mid-working-day
For 6 of the eight hours in a normal AEDT working day, the equivalent EST 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.
Both sides change clocks, on different dates
Both regions observe daylight saving but do not switch on the same day, so for a week or two each spring and fall the gap between them is an hour different from the rest of the year. Those short windows are where recurring invitations quietly break.
Nearly opposite sides of the clock
At 15 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
Cities on EST
Frequently Asked Questions
What is the time difference between AEDT and EST?
EST is 15 hours behind AEDT. That is the live figure. Taken strictly as written, the gap between AEDT and EST is 16 hours — the two differ because at least one of these regions is currently on daylight saving.
What is 9:00 AM AEDT in EST?
9:00 AM AEDT is 6:00 PM the previous day EST.
What are the best hours to schedule a call between AEDT and EST?
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 7:00 AM to 1:00 PM AEDT, which is 4:00 PM to 10:00 PM EST.
Does the difference between AEDT and EST change during the year?
Yes. Both regions observe daylight saving, and they do not switch on the same dates, 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.
Does EST always mean Eastern Standard Time?
Australia also uses EST for its own Eastern Standard Time (UTC+10), now more often written AEST.