AKST to AEST Time Converter
AEST is 19 hours ahead of AKST. Alaska is currently on AKDT (UTC-8:00), and Eastern Australia is currently on AEDT (UTC+11:00).
Best Time to Call Between AKST and AEST
Both zones are inside normal business hours between 2:00 PM and 5:00 PM AKST — that's 9:00 AM to 12:00 PM AEST. That's a 3-hour window.
both at work AKST only AEST only neither — hours along the strip are AKST.
Common Times Converted
AKST on the left, AEST on the right.
AKST to AEST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| AKST | AEST | Working hours |
|---|---|---|
| 12:00 AM | 7:00 PM | — |
| 1:00 AM | 8:00 PM | — |
| 2:00 AM | 9:00 PM | — |
| 3:00 AM | 10:00 PM | — |
| 4:00 AM | 11:00 PM | — |
| 5:00 AM | 12:00 AM next day | — |
| 6:00 AM | 1:00 AM next day | — |
| 7:00 AM | 2:00 AM next day | — |
| 8:00 AM | 3:00 AM next day | — |
| 9:00 AM | 4:00 AM next day | AKST only |
| 10:00 AM | 5:00 AM next day | AKST only |
| 11:00 AM | 6:00 AM next day | AKST only |
| 12:00 PM | 7:00 AM next day | AKST only |
| 1:00 PM | 8:00 AM next day | AKST only |
| 2:00 PM | 9:00 AM next day | Both zones |
| 3:00 PM | 10:00 AM next day | Both zones |
| 4:00 PM | 11:00 AM next day | Both zones |
| 5:00 PM | 12:00 PM next day | AEST only |
| 6:00 PM | 1:00 PM next day | AEST only |
| 7:00 PM | 2:00 PM next day | AEST only |
| 8:00 PM | 3:00 PM next day | AEST only |
| 9:00 PM | 4:00 PM next day | AEST only |
| 10:00 PM | 5:00 PM next day | — |
| 11:00 PM | 6:00 PM next day | — |
What AKST and AEST Actually Are
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.
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.
What This Means in Practice
The date changes mid-working-day
For 8 of the eight hours in a normal AKST working day, the equivalent AEST 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 AKST
Cities on AEST
Frequently Asked Questions
What is the time difference between AKST and AEST?
AEST is 19 hours ahead of AKST.
What is 9:00 AM AKST in AEST?
9:00 AM AKST is 4:00 AM the next day AEST.
What are the best hours to schedule a call between AKST and AEST?
Between 2:00 PM and 5:00 PM AKST, which is 9:00 AM to 12:00 PM AEST. Both sides are inside normal business hours through that window.
Does the difference between AKST and AEST 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, November 1, 2026.
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.