Perth to AKST
-17hPerth
AWSTSOURCEAKST
AKSTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and AKST on the World Map
The map below highlights the AWST (Australian Western Standard Time) and AKST (Alaska Standard Time) timezone regions across the globe.
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •Alaska is the largest US state by area but has only about 730,000 residents.
- •Anchorage is the most populous city in AKST with about 290,000 people.
- •The Aleutian Islands use HAST instead of AKST.
About Perth
WikipediaPerth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
Western Australia does not observe daylight saving time.
Understanding the -17h Gap: Perth vs AKST
Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. AKST runs on Alaska Standard Time (AKST) at UTC-09:00. That puts Perth 17 hours behind AKST — a difference of -17h at the current offsets.
In practice, when it is 9:00 AM in Perth it is 4:00 PM in AKST on the previous day. Midnight in Perth is 7:00 AM in AKST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Perth to AKST time conversion table
| Perth (AWST) | AKST (AKST) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | previous day |
| 6:00 AM | 1:00 PM | previous day |
| 7:00 AM | 2:00 PM | previous day |
| 8:00 AM | 3:00 PM | previous day |
| 9:00 AM | 4:00 PM | previous day |
| 12:00 PM | 7:00 PM | previous day |
| 3:00 PM | 10:00 PM | previous day |
| 5:00 PM | 12:00 AM | same day |
| 6:00 PM | 1:00 AM | same day |
| 9:00 PM | 4:00 AM | same day |
Why people convert Perth to AKST time
- Scheduling a call from Perth to AKST: a 10:00 AM start in Perth lands at 5:00 PM in AKST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -17h gap: Perth and AKST have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in AKST is 4:00 PM in Perth.
- Booking travel or deliveries: tracking AKST local time against Perth keeps pickup windows and arrival estimates honest across the -17h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -17h gap is not.
- With a -17h gap there is no shared 9-to-5 window, so alternate the early start: one week Perth takes the early slot, the next week AKST does.
About AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
About AKST (Alaska Standard Time)
Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).
Best time to call between Perth and AKST
With a -17h offset there is no overlap inside a normal 9 AM – 5 PM day. AKST opens at 9:00 AM AKST, which is 4:00 PM in Perth, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Perth and AKST have no shared working hours because of the -17h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Perth is 17 hours behind AKST (AWST UTC+08:00 → AKST UTC-09:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Perth
Does not observe DST
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Perth and AKST?
Perth (AWST, UTC+08:00) is 17 hours behind AKST (AKST, UTC-09:00). The gap is currently -17h.
How do I convert Perth time to AKST time?
Add -17h to Perth local time. For example, 9:00 AM in Perth is 4:00 PM in AKST (previous day).
What time is it in AKST right now?
AKST uses AKST at UTC-09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -17h offset from Perth.
What is the best time to call AKST from Perth?
There is no shared working-hours window because of the -17h gap. The closest option is 1:00 PM in Perth, which is 8:00 PM in AKST.
Which is behind, Perth or AKST?
Perth is 17 hours behind AKST. When it is 12:00 PM in Perth it is 7:00 PM in AKST.
Do Perth and AKST use different time zones?
Perth (Australia) uses AWST at UTC+08:00, while AKST uses AKST at UTC-09:00. The IANA identifiers are Australia/Perth and America/Anchorage.
Does daylight saving time affect the Perth–AKST difference?
Neither zone observes daylight saving time, so the -17h offset between Perth and AKST is fixed all year.
Which other cities share Perth's time zone?
AWST also covers Perth, Mandurah, Bunbury, Geraldton.
Which countries use AWST, Perth's zone?
AWST is used in Australia (Western Australia).
Is there a day difference between Perth and AKST?
Sometimes. The -17h gap is large enough that 8:00 PM or later in Perth already falls on the in AKST.
What is the time difference between Perth and AKST?
AKST is -17h from Perth.
What timezone is Perth in?
Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
What timezone is AKST in?
AKST operates on its local timezone.
What are the business hours in Perth?
Standard business hours in Perth are 9:00 AM - 5:00 PM AWST.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
Which cities are in the AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
Alaska is the largest US state by area but has only about 730,000 residents. Anchorage is the most populous city in AKST with about 290,000 people.
When is it midnight in Perth, what time is it in AKST?
When it is 12:00 AM (midnight) in Perth (AWST), it is -17h later in AKST (AKST).
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