Perth to PST
-16hPerth
AWSTSOURCEPST
PSTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and PST on the World Map
The map below highlights the AWST (Australian Western Standard Time) and PST (Pacific 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.
PST – Pacific Standard Time
UTC-08:00Pacific Standard Time (PST) is the time zone for the US and Canadian Pacific coast, 8 hours behind UTC.
- •Silicon Valley and the world's biggest tech companies operate on Pacific Time.
- •The Hollywood film industry runs on PST/PDT.
- •PST is 3 hours behind EST, creating a significant business hours gap.
- •Vancouver, Canada's third-largest city, uses PST.
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.
Time Conversion Guide: Perth to PST
Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. PST runs on Pacific Standard Time (PST) at UTC-08:00. That puts Perth 16 hours behind PST — a difference of -16h at the current offsets.
In practice, when it is 9:00 AM in Perth it is 5:00 PM in PST on the previous day. Midnight in Perth is 8:00 AM in PST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Perth to PST time conversion table
| Perth (AWST) | PST (PST) | Day |
|---|---|---|
| 12:00 AM | 8:00 AM | previous day |
| 6:00 AM | 2:00 PM | previous day |
| 7:00 AM | 3:00 PM | previous day |
| 8:00 AM | 4:00 PM | previous day |
| 9:00 AM | 5:00 PM | previous day |
| 12:00 PM | 8:00 PM | previous day |
| 3:00 PM | 11:00 PM | previous day |
| 5:00 PM | 1:00 AM | same day |
| 6:00 PM | 2:00 AM | same day |
| 9:00 PM | 5:00 AM | same day |
Why people convert Perth to PST time
- Scheduling a call from Perth to PST: a 10:00 AM start in Perth lands at 6:00 PM in PST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -16h gap: Perth and PST 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 PST is 5:00 PM in Perth.
- Keeping family and friends in sync: knowing that 8:00 PM in Perth is 4:00 AM in PST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -16h gap is not.
- With a -16h gap there is no shared 9-to-5 window, so alternate the early start: one week Perth takes the early slot, the next week PST 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 PST (Pacific Standard Time)
Pacific Standard Time (PST) covers the west coast of North America, including tech hubs like San Francisco and Seattle, and entertainment capital Los Angeles. The Pacific Time Zone is home to Silicon Valley and the world's largest technology companies. During summer, clocks advance to Pacific Daylight Time (PDT, UTC-07:00). PST is also observed in Baja California, Mexico.
Best time to call between Perth and PST
With a -16h offset there is no overlap inside a normal 9 AM – 5 PM day. PST opens at 9:00 AM PST, which is 5:00 PM in Perth, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Perth and PST have no shared working hours because of the -16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Perth is 16 hours behind PST (AWST UTC+08:00 → PST UTC-08:00). 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
PST
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
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 PST?
Perth (AWST, UTC+08:00) is 16 hours behind PST (PST, UTC-08:00). The gap is currently -16h.
How do I convert Perth time to PST time?
Add -16h to Perth local time. For example, 9:00 AM in Perth is 5:00 PM in PST (previous day).
What time is it in PST right now?
PST uses PST at UTC-08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -16h offset from Perth.
What is the best time to call PST from Perth?
There is no shared working-hours window because of the -16h gap. The closest option is 1:00 PM in Perth, which is 9:00 PM in PST.
Which is behind, Perth or PST?
Perth is 16 hours behind PST. When it is 12:00 PM in Perth it is 8:00 PM in PST.
Do Perth and PST use different time zones?
Perth (Australia) uses AWST at UTC+08:00, while PST uses PST at UTC-08:00. The IANA identifiers are Australia/Perth and America/Los_Angeles.
Does daylight saving time affect the Perth–PST difference?
Neither zone observes daylight saving time, so the -16h offset between Perth and PST 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 PST?
Sometimes. The -16h gap is large enough that 8:00 PM or later in Perth already falls on the in PST.
What is the time difference between Perth and PST?
PST is -16h 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 PST in?
PST 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 PST timezone?
Major cities in the PST timezone include Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento.
What is the UTC offset for PST?
Pacific Standard Time (PST) is at UTC-08:00. During daylight saving time, it shifts to PDT.
What should I know about the PST timezone?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
When is it midnight in Perth, what time is it in PST?
When it is 12:00 AM (midnight) in Perth (AWST), it is -16h later in PST (PST).
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