Perth to EST
-13hPerth
AWSTSOURCEEST
ESTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and EST on the World Map
The map below highlights the AWST (Australian Western Standard Time) and EST (Eastern 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.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
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.
Everything You Need to Know About Perth and EST Time
Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. EST runs on Eastern Standard Time (EST) at UTC-05:00. That puts Perth 13 hours behind EST — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in Perth it is 8:00 PM in EST on the previous day. Midnight in Perth is 11:00 AM in EST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Perth to EST time conversion table
| Perth (AWST) | EST (EST) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert Perth to EST time
- Scheduling a call from Perth to EST: a 10:00 AM start in Perth lands at 9:00 PM in EST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: Perth and EST 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 EST is 8:00 PM in Perth.
- Coordinating a Perth-based team with EST 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 AWST" is unambiguous; "3 PM" across a -13h gap is not.
- With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week Perth takes the early slot, the next week EST 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 EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
Best time to call between Perth and EST
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. EST opens at 9:00 AM EST, which is 8:00 PM in Perth, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Perth and EST have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Perth is 13 hours behind EST (AWST UTC+08:00 → EST UTC-05:00). 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
EST
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
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 EST?
Perth (AWST, UTC+08:00) is 13 hours behind EST (EST, UTC-05:00). The gap is currently -13h.
How do I convert Perth time to EST time?
Add -13h to Perth local time. For example, 9:00 AM in Perth is 8:00 PM in EST (previous day).
What time is it in EST right now?
EST uses EST at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -13h offset from Perth.
What is the best time to call EST from Perth?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Perth, which is 12:00 AM in EST.
Which is behind, Perth or EST?
Perth is 13 hours behind EST. When it is 12:00 PM in Perth it is 11:00 PM in EST.
Do Perth and EST use different time zones?
Perth (Australia) uses AWST at UTC+08:00, while EST uses EST at UTC-05:00. The IANA identifiers are Australia/Perth and America/New_York.
Does daylight saving time affect the Perth–EST difference?
Neither zone observes daylight saving time, so the -13h offset between Perth and EST 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 EST?
Sometimes. The -13h gap is large enough that 8:00 PM or later in Perth already falls on the in EST.
What is the time difference between Perth and EST?
EST is -13h 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 EST in?
EST 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 EST timezone?
Major cities in the EST timezone include New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EST?
Eastern Standard Time (EST) is at UTC-05:00. During daylight saving time, it shifts to EDT.
What should I know about the EST timezone?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
When is it midnight in Perth, what time is it in EST?
When it is 12:00 AM (midnight) in Perth (AWST), it is -13h later in EST (EST).
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