Time Difference Between Australia and Alaska Time
As of 31 August 2026, Alaska Time is 18 hours behind Australia. That number is not constant. Over the course of a year, because of daylight saving changes, Alaska Time, United States ranges from 20 hours behind to 18 hours behind relative to Sydney, Australia. The calculator below is always up to date.
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Sydney, Australia
08:34
Tue, Sep 1, 2026
UTC+10 · Australia/Sydney
Alaska Time, United States
-18h14:34
Mon, Aug 31, 2026
UTC-8 · AKDT · America/Anchorage
Alaska Time is 18 hours behind Australia.
When it is 08:34 in Australia, it is already the previous day in Alaska Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Australia | Tuesday, September 1, 2026 | Australia/Sydney | UTC+10 | Not active now |
| Alaska Time | Monday, August 31, 2026 | AKDTAmerica/Anchorage | UTC-8 | Active now |
Australia: Australia has several time zones and only some states use daylight saving. This page uses Eastern Time (Sydney, Melbourne); Perth is 2 to 3 hours behind.
Alaska Time: Covers all of Alaska. Switches between AKST (UTC-9) and AKDT (UTC-8) with daylight saving.
Hour by hour: Australia to Alaska Time
Every hour of today in Australia and what it is in Alaska Time. Highlighted rows fall inside Alaska Time working hours (09:00–18:00).
| Australia | Alaska Time |
|---|---|
| 00:00 | 06:00prev day |
| 01:00 | 07:00prev day |
| 02:00 | 08:00prev day |
| 03:00 | 09:00prev day |
| 04:00 | 10:00prev day |
| 05:00 | 11:00prev day |
| 06:00 | 12:00prev day |
| 07:00 | 13:00prev day |
| 08:00 | 14:00prev day |
| 09:00 | 15:00prev day |
| 10:00 | 16:00prev day |
| 11:00 | 17:00prev day |
| Australia | Alaska Time |
|---|---|
| 12:00 | 18:00prev day |
| 13:00 | 19:00prev day |
| 14:00 | 20:00prev day |
| 15:00 | 21:00prev day |
| 16:00 | 22:00prev day |
| 17:00 | 23:00prev day |
| 18:00 | 00:00 |
| 19:00 | 01:00 |
| 20:00 | 02:00 |
| 21:00 | 03:00 |
| 22:00 | 04:00 |
| 23:00 | 05:00 |
Best time to call or meet
Overlapping working hours
09:00–12:00 in Australia (15:00–18:00 in Alaska Time)
Both places are inside 09:00–18:00 for 3 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–15:00 in Australia (14:00–21:00 in Alaska Time)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Australia puts its clocks forward on Sunday, October 4, 2026
The local offset moves from UTC+10 to UTC+11. After that date, Alaska Time is 19 hours behind Australia — instead of 18 hours behind, as it is today.
Alaska Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-8 to UTC-9. After that date, Alaska Time is 20 hours behind Australia — instead of 18 hours behind, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Australia and Alaska Time: common questions
What is the time difference between Australia and Alaska Time?
As of 31 August 2026, Alaska Time is 18 hours behind Australia. The gap is not fixed: across the year, Alaska Time ranges from 20 hours behind to 18 hours behind relative to Australia, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Australia, what time is it in Alaska Time?
It is 03:00 PM in Alaska Time, United States. Use the time field in the calculator above to check any other hour.
Is Alaska Time ahead of or behind Australia?
Alaska Time is behind Australia by 18 hours at the moment. In practical terms, the working day in Alaska Time starts and ends later in Australia terms.
Do Australia and Alaska Time observe daylight saving time?
Both Australia and Alaska Time change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, Alaska Time ranges from 20 hours behind to 18 hours behind relative to Australia.
What is the best time to call Alaska Time from Australia?
Working hours overlap between 09:00 and 12:00 Australia time, which is 15:00 to 18:00 in Alaska Time. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Sydney, Australia (UTC+10) and Alaska Time, United States (UTC-8) were generated on Monday, August 31, 2026 UTC and refresh in your browser.