AEST to AKST Time Converter
AKST is 19 hours behind AEST. Eastern Australia is currently on AEDT (UTC+11:00), and Alaska is currently on AKDT (UTC-8:00).
Best Time to Call Between AEST and AKST
Both zones are inside normal business hours between 9:00 AM and 12:00 PM AEST — that's 2:00 PM to 5:00 PM AKST. That's a 3-hour window.
both at work AEST only AKST only neither — hours along the strip are AEST.
Common Times Converted
AEST on the left, AKST on the right.
AEST to AKST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| AEST | AKST | Working hours |
|---|---|---|
| 12:00 AM | 5:00 AM prev day | — |
| 1:00 AM | 6:00 AM prev day | — |
| 2:00 AM | 7:00 AM prev day | — |
| 3:00 AM | 8:00 AM prev day | — |
| 4:00 AM | 9:00 AM prev day | AKST only |
| 5:00 AM | 10:00 AM prev day | AKST only |
| 6:00 AM | 11:00 AM prev day | AKST only |
| 7:00 AM | 12:00 PM prev day | AKST only |
| 8:00 AM | 1:00 PM prev day | AKST only |
| 9:00 AM | 2:00 PM prev day | Both zones |
| 10:00 AM | 3:00 PM prev day | Both zones |
| 11:00 AM | 4:00 PM prev day | Both zones |
| 12:00 PM | 5:00 PM prev day | AEST only |
| 1:00 PM | 6:00 PM prev day | AEST only |
| 2:00 PM | 7:00 PM prev day | AEST only |
| 3:00 PM | 8:00 PM prev day | AEST only |
| 4:00 PM | 9:00 PM prev day | AEST only |
| 5:00 PM | 10:00 PM prev day | — |
| 6:00 PM | 11:00 PM prev day | — |
| 7:00 PM | 12:00 AM | — |
| 8:00 PM | 1:00 AM | — |
| 9:00 PM | 2:00 AM | — |
| 10:00 PM | 3:00 AM | — |
| 11:00 PM | 4:00 AM | — |
What AEST and AKST Actually Are
AEST — Australian Eastern Standard Time
Sydney, Melbourne, Brisbane, Canberra, Hobart. Standing at UTC+10:00 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. Sydney and Melbourne move to AEDT (UTC+11) for the southern summer; Brisbane does not change at all.
Queensland abandoned daylight saving after a 1992 referendum, so for five months a year Brisbane and Sydney read different clocks despite sharing a zone.
AKST — Alaska Standard Time
Anchorage, Fairbanks, Juneau. Standing at UTC-9:00 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 AKST.
Alaska compressed four time zones into one in 1983, moving most of the state onto a single clock to keep business hours aligned with the rest of the country.
What This Means in Practice
The date changes mid-working-day
For 8 of the eight hours in a normal AEST working day, the equivalent AKST 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 19 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 AEST
Cities on AKST
Frequently Asked Questions
What is the time difference between AEST and AKST?
AKST is 19 hours behind AEST.
What is 9:00 AM AEST in AKST?
9:00 AM AEST is 2:00 PM the previous day AKST.
What are the best hours to schedule a call between AEST and AKST?
Between 9:00 AM and 12:00 PM AEST, which is 2:00 PM to 5:00 PM AKST. Both sides are inside normal business hours through that window.
Does the difference between AEST and AKST 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 AEST always mean Australian Eastern Standard Time?
Sydney and Melbourne move to AEDT (UTC+11) for the southern summer; Brisbane does not change at all.