PST to AWST
+16hPST
PSTSOURCEAWST
AWSTGreen rows indicate typical business hours (9 AM - 5 PM)
PST and AWST on the World Map
The map below highlights the PST (Pacific Standard Time) and AWST (Australian Western Standard Time) timezone regions across the globe.
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.
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.
Understanding the +16h Gap: PST vs AWST
PST runs on Pacific Standard Time (PST) at UTC-08:00. AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. That puts PST 16 hours ahead of AWST — a difference of +16h at the current offsets.
In practice, when it is 9:00 AM in PST it is 1:00 AM in AWST on the next day. Midnight in PST is 4:00 PM in AWST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PST to AWST time conversion table
| PST (PST) | AWST (AWST) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | same day |
| 6:00 AM | 10:00 PM | same day |
| 7:00 AM | 11:00 PM | same day |
| 8:00 AM | 12:00 AM | next day |
| 9:00 AM | 1:00 AM | next day |
| 12:00 PM | 4:00 AM | next day |
| 3:00 PM | 7:00 AM | next day |
| 5:00 PM | 9:00 AM | next day |
| 6:00 PM | 10:00 AM | next day |
| 9:00 PM | 1:00 PM | next day |
Why people convert PST to AWST time
- Scheduling a call from PST to AWST: a 10:00 AM start in PST lands at 2:00 AM in AWST the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +16h gap: PST and AWST 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 AWST is 1:00 AM in PST.
- Coordinating a PST-based team with AWST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM PST" 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 PST takes the early slot, the next week AWST does.
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.
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.
Best time to call between PST and AWST
With a +16h offset there is no overlap inside a normal 9 AM – 5 PM day. AWST opens at 9:00 AM AWST, which is 1:00 AM in PST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
PST and AWST have no shared working hours because of the +16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
PST is 16 hours ahead of AWST (PST UTC-08:00 → AWST 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
PST
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
AWST
Does not observe DST
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 PST and AWST?
PST (PST, UTC-08:00) is 16 hours ahead of AWST (AWST, UTC+08:00). The gap is currently +16h.
How do I convert PST time to AWST time?
Add +16h to PST local time. For example, 9:00 AM in PST is 1:00 AM in AWST (next day).
What time is it in AWST right now?
AWST uses AWST 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 PST.
What is the best time to call AWST from PST?
There is no shared working-hours window because of the +16h gap. The closest option is 1:00 PM in PST, which is 5:00 AM in AWST.
Which is ahead, PST or AWST?
PST is 16 hours ahead of AWST. When it is 12:00 PM in PST it is 4:00 AM in AWST.
Does daylight saving time affect the PST–AWST difference?
Neither zone observes daylight saving time, so the +16h offset between PST and AWST is fixed all year.
Which other cities share PST's time zone?
PST also covers Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento and 2 more.
Which countries use PST, PST's zone?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Is there a day difference between PST and AWST?
Sometimes. The +16h gap is large enough that 8:00 PM or later in PST already falls on the next day in AWST.
What is the time difference between PST and AWST?
AWST is +16h from PST.
What timezone is PST in?
PST operates on its local timezone.
What timezone is AWST in?
AWST operates on its local timezone.
Which countries use PST (Pacific Standard Time)?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Does PST observe daylight saving time?
Yes, PST switches to PDT during summer months.
What are some interesting facts about PST?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
Which cities are in the AWST timezone?
Major cities in the AWST timezone include Perth, Mandurah, Bunbury, Geraldton.
What is the UTC offset for AWST?
Australian Western Standard Time (AWST) is at UTC+08:00.
What should I know about the AWST timezone?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
When is it midnight in PST, what time is it in AWST?
When it is 12:00 AM (midnight) in PST (PST), it is +16h later in AWST (AWST).
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See every conversion from PST →·See every conversion from AWST →