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EST to AEST

+15h

EST

ESTSOURCE
UTC-04:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

AEST

AEST
UTC+10:00DST observed
HH03
:
MM00
  
(next day)03:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
EST
AEST
12:00 AM
2:00 PM
2:00 AM
4:00 PM
4:00 AM
6:00 PM
6:00 AM
8:00 PM
8:00 AM
10:00 PM
10:00 AM
12:00 AM+1
12:00 PM
2:00 AM+1
2:00 PM
4:00 AM+1
4:00 PM
6:00 AM+1
6:00 PM
8:00 AM+1
8:00 PM
10:00 AM+1
10:00 PM
12:00 PM+1

Green rows indicate typical business hours (9 AM - 5 PM)

EST and AEST on the World Map

The map below highlights the EST (Eastern Standard Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.

ESTAESTNew York CityWashington D.C.MiamiTorontoSydneyMelbourneBrisbaneCanberra
EST Zone
→
AEST Zone

Explore all world timezones interactively →

EST – Eastern Standard Time

UTC-05:00

Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.

Countries in EST
United States (Eastern)Canada (Ontario, Quebec)Mexico (Quintana Roo)PanamaJamaicaCayman IslandsHaitiBahamasTurks and CaicosColombiaPeruEcuador
Major Cities in EST
New York CityWashington D.C.MiamiTorontoPhiladelphiaAtlantaBostonMontrealDetroitCharlotteIndianapolisOttawaTampaOrlandoClevelandPittsburgh
Key Facts about EST
  • •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.
Daylight Saving:Yes – switches to EDT
Learn more about EST on Wikipedia

AEST – Australian Eastern Standard Time

UTC+10:00

Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.

Countries in AEST
Australia (NSW, VIC, QLD, TAS, ACT)Papua New Guinea
Major Cities in AEST
SydneyMelbourneBrisbaneCanberraHobartGold Coast
Key Facts about AEST
  • •Queensland does not observe daylight saving time, staying on AEST year-round.
  • •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
  • •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
  • •AEST is 15 hours ahead of EST during winter.
Daylight Saving:Yes – switches to AEDT
Learn more about AEST on Wikipedia

Everything You Need to Know About EST and AEST Time

EST runs on Eastern Standard Time (EST) at UTC-05:00. AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts EST 15 hours ahead of AEST — a difference of +15h at the current offsets.

In practice, when it is 9:00 AM in EST it is 12:00 AM in AEST on the next day. Midnight in EST is 3:00 PM in AEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

EST to AEST time conversion table

EST (EST)AEST (AEST)Day
12:00 AM3:00 PMsame day
6:00 AM9:00 PMsame day
7:00 AM10:00 PMsame day
8:00 AM11:00 PMsame day
9:00 AM12:00 AMnext day
12:00 PM3:00 AMnext day
3:00 PM6:00 AMnext day
5:00 PM8:00 AMnext day
6:00 PM9:00 AMnext day
9:00 PM12:00 PMnext day

Why people convert EST to AEST time

  • Scheduling a call from EST to AEST: a 10:00 AM start in EST lands at 1:00 AM in AEST the next day, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a +15h gap: EST and AEST 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 AEST is 12:00 AM in EST.
  • Booking travel or deliveries: tracking AEST local time against EST keeps pickup windows and arrival estimates honest across the +15h offset.
  • Always state the zone abbreviation, not just the hour. "3:00 PM EST" is unambiguous; "3 PM" across a +15h gap is not.
  • With a +15h gap there is no shared 9-to-5 window, so alternate the early start: one week EST takes the early slot, the next week AEST does.

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.

About AEST (Australian Eastern Standard Time)

Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.

Best time to call between EST and AEST

With a +15h offset there is no overlap inside a normal 9 AM – 5 PM day. AEST opens at 9:00 AM AEST, which is 12:00 AM in EST, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

EST and AEST have no shared working hours because of the +15h gap. Teams need to alternate early starts or rely on asynchronous handovers.

EST is 15 hours ahead of AEST (EST UTC-05:00 → AEST UTC+10:00). 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

EST

☀ Currently in DST

Standard: UTC-05:00 · DST: UTC-04:00

Clocks fall back on Sun, Nov 1, 2026

AEST

❄ Currently in Standard Time

Standard: UTC+10:00 · DST: UTC+11:00

Clocks spring forward on Sat, Oct 3, 2026

⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.

Frequently Asked Questions

What is the time difference between EST and AEST?

EST (EST, UTC-05:00) is 15 hours ahead of AEST (AEST, UTC+10:00). The gap is currently +15h.

How do I convert EST time to AEST time?

Add +15h to EST local time. For example, 9:00 AM in EST is 12:00 AM in AEST (next day).

What time is it in AEST right now?

AEST uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +15h offset from EST.

What is the best time to call AEST from EST?

There is no shared working-hours window because of the +15h gap. The closest option is 1:00 PM in EST, which is 4:00 AM in AEST.

Which is ahead, EST or AEST?

EST is 15 hours ahead of AEST. When it is 12:00 PM in EST it is 3:00 AM in AEST.

Does daylight saving time affect the EST–AEST difference?

Neither zone observes daylight saving time, so the +15h offset between EST and AEST is fixed all year.

Which other cities share EST's time zone?

EST also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.

Which countries use EST, EST's zone?

EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.

Is there a day difference between EST and AEST?

Sometimes. The +15h gap is large enough that 8:00 PM or later in EST already falls on the next day in AEST.

What is the time difference between EST and AEST?

AEST is +15h from EST.

What timezone is EST in?

EST operates on its local timezone.

What timezone is AEST in?

AEST operates on its local timezone.

Which countries use EST (Eastern Standard Time)?

EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.

Does EST observe daylight saving time?

Yes, EST switches to EDT during summer months.

What are some interesting facts about EST?

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.

Which cities are in the AEST timezone?

Major cities in the AEST timezone include Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.

What is the UTC offset for AEST?

Australian Eastern Standard Time (AEST) is at UTC+10:00. During daylight saving time, it shifts to AEDT.

What should I know about the AEST timezone?

Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.

When is it midnight in EST, what time is it in AEST?

When it is 12:00 AM (midnight) in EST (EST), it is +15h later in AEST (AEST).