AKST to AWST Converter
Convert time between Alaska Standard Time (AKST) and Australian Western Standard Time (AWST)
Alaska Standard Time (AKST)
Australian Western Standard Time (AWST)
Time Difference
Australian Western Standard Time (AWST) is 0 hours ahead of Alaska Standard Time (AKST)
Select Date
Select Time
Quick Reference
| AKST | AWST |
|---|---|
| 18:00 | 10:00 |
| 20:00 | 12:00 |
| 22:00 | 14:00 |
| 00:00 | 16:00 |
| 02:00 | 18:00 |
| 04:00 | 20:00 |
| 06:00 | 22:00 |
| 08:00 | 00:00 |
| 10:00 | 02:00 |
| 12:00 | 04:00 |
| 14:00 | 06:00 |
| 16:00 | 08:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
About AKST to AWST Time Conversion
Converting time between Alaska Standard Time (AKST) and Australian Western Standard Time (AWST) spans nearly the full width of the Pacific Ocean. AKST is UTC-9, while AWST is UTC+8, making AWST exactly 17 hours ahead of AKST. This large gap means that when it is midday in Anchorage, it is already the following morning in Perth.
This time zone converter uses the IANA timezone database to ensure accurate calculations. AKST is Alaska's winter offset, observed from November to March when Alaska does not observe daylight saving. AWST remains at UTC+8 year-round since Western Australia does not observe daylight saving. During Alaska's daylight saving period (AKDT, UTC-8), the gap narrows to 16 hours.
Common Use Cases for AKST to AWST Conversion
Business & Work
- Scheduling meetings between Anchorage-based teams and Perth offices during Alaska's winter
- Coordinating project deadlines and deliverables across Alaska and Western Australia
- Planning conference calls between Alaska and Perth with minimal time zone overlap
Personal & Travel
- Staying in touch with family and friends in Perth from Alaska during winter months
- Planning travel itineraries between Alaska and Western Australia
- Scheduling virtual events and online activities across the AKST and AWST time zones
Time Zone Information
Alaska Standard Time (AKST)
- UTC Offset: UTC-9 (UTC-8 during AKDT)
- IANA Timezone: America/Anchorage
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Anchorage, Fairbanks, Juneau, Sitka, Ketchikan
- Coverage: Covers most of the state of Alaska, USA; AKST is the standard time offset observed from November to March
Australian Western Standard Time (AWST)
- UTC Offset: UTC+8 (no daylight saving)
- IANA Timezone: Australia/Perth
- Daylight Saving: Western Australia does not observe daylight saving time
- Major Cities: Perth, Fremantle, Bunbury, Geraldton, Kalgoorlie
- Coverage: Covers the state of Western Australia, Australia's largest state by area
Quick Reference: AKST to AWST
Remember: AWST is always 17 hours ahead of AKST
Frequently Asked Questions
What is the time difference between AKST and AWST?
Alaska Standard Time (AKST) is UTC-9, while Australian Western Standard Time (AWST) is UTC+8. AWST is 17 hours ahead of AKST. When it's 12:00 PM in Anchorage, it's 5:00 AM the next day in Perth.
When does the AKST to AWST conversion apply?
AKST (UTC-9) is Alaska's standard time, observed from the first Sunday in November to the second Sunday in March. Outside this window, Alaska observes AKDT (UTC-8), which narrows the gap with AWST to 16 hours. Western Australia stays on AWST (UTC+8) year-round.
How does Alaska's daylight saving affect this conversion?
When Alaska moves to AKDT (UTC-8) from March to November, the gap with Perth (AWST, UTC+8) shrinks from 17 to 16 hours. Western Australia never changes its clocks, so only the Alaskan side shifts. Always verify which offset Alaska is currently on before scheduling.
Is there any workable overlap for AKST to AWST business calls?
With a 17-hour difference, real-time overlap is very limited. Early Perth mornings (7:00–9:00 AM AWST) correspond to late Anchorage afternoons the previous day (2:00–4:00 PM AKST). This narrow window is typically the most practical time for cross-Pacific calls between Alaska and Perth.
Which regions use AKST (Alaska Standard Time)?
AKST (UTC-9) covers most of the US state of Alaska during winter months, including Anchorage, Fairbanks, Juneau, Sitka, and Ketchikan. The far western Aleutian Islands use a different offset (Hawaii-Aleutian time, UTC-10 standard / UTC-9 daylight) and are not included in AKST.
Does Western Australia ever change from AWST?
No — Western Australia permanently uses AWST (UTC+8) and has no daylight saving. Voters rejected daylight saving in a 2009 referendum, and the state has not revisited the question since. This makes Perth one of the most time-stable major cities in the world for scheduling purposes.
Pro Tips
- • AWST is 17 hours ahead of AKST — add 17 hours (and roll to the next calendar day) to convert any AKST time to AWST.
- • The best live collaboration window is 2:00–4:00 PM AKST, which aligns with 7:00–9:00 AM AWST the following day — just within early Perth business hours.
- • AKST only applies November–March; Alaska is on AKDT (UTC-8) the rest of the year, reducing the AWST gap to 16 hours.
- • Western Australia's clocks never change, so the Perth side of this conversion is always UTC+8 — only Alaska's offset needs seasonal tracking.
- • Given the 17-hour gap, asynchronous communication (email, shared docs, recorded video) is often more practical than live calls for regular AKST–AWST collaboration.
- • When it's Monday in Anchorage, it's already Tuesday morning in Perth — always account for the date change when scheduling or confirming meetings.