AEST to EST
-15hAEST
AESTSOURCEEST
ESTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and EST on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and EST (Eastern Standard Time) timezone regions across the globe.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •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.
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.
Comparing Time Zones: AEST and EST
AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. EST runs on Eastern Standard Time (EST) at UTC-05:00. That puts AEST 15 hours behind EST — a difference of -15h at the current offsets.
In practice, when it is 9:00 AM in AEST it is 6:00 PM in EST on the previous day. Midnight in AEST is 9:00 AM in EST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AEST to EST time conversion table
| AEST (AEST) | EST (EST) | Day |
|---|---|---|
| 12:00 AM | 9:00 AM | previous day |
| 6:00 AM | 3:00 PM | previous day |
| 7:00 AM | 4:00 PM | previous day |
| 8:00 AM | 5:00 PM | previous day |
| 9:00 AM | 6:00 PM | previous day |
| 12:00 PM | 9:00 PM | previous day |
| 3:00 PM | 12:00 AM | same day |
| 5:00 PM | 2:00 AM | same day |
| 6:00 PM | 3:00 AM | same day |
| 9:00 PM | 6:00 AM | same day |
Why people convert AEST to EST time
- Scheduling a call from AEST to EST: a 10:00 AM start in AEST lands at 7:00 PM in EST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -15h gap: AEST 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 6:00 PM in AEST.
- Watching a live event or market open: AEST viewers need 6:00 PM in EST to catch a 9:00 AM start there, and 3:00 PM if the event is anchored to AEST.
- Always state the zone abbreviation, not just the hour. "3:00 PM AEST" 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 AEST takes the early slot, the next week EST does.
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.
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 AEST and EST
With a -15h offset there is no overlap inside a normal 9 AM – 5 PM day. EST opens at 9:00 AM EST, which is 6:00 PM in AEST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AEST and EST have no shared working hours because of the -15h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AEST is 15 hours behind EST (AEST UTC+10:00 → 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
AEST
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
EST
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.
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 AEST and EST?
AEST (AEST, UTC+10:00) is 15 hours behind EST (EST, UTC-05:00). The gap is currently -15h.
How do I convert AEST time to EST time?
Add -15h to AEST local time. For example, 9:00 AM in AEST is 6:00 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 -15h offset from AEST.
What is the best time to call EST from AEST?
There is no shared working-hours window because of the -15h gap. The closest option is 1:00 PM in AEST, which is 10:00 PM in EST.
Which is behind, AEST or EST?
AEST is 15 hours behind EST. When it is 12:00 PM in AEST it is 9:00 PM in EST.
Does daylight saving time affect the AEST–EST difference?
Neither zone observes daylight saving time, so the -15h offset between AEST and EST is fixed all year.
Which other cities share AEST's time zone?
AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
Which countries use AEST, AEST's zone?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Is there a day difference between AEST and EST?
Sometimes. The -15h gap is large enough that 8:00 PM or later in AEST already falls on the in EST.
What is the time difference between AEST and EST?
EST is -15h from AEST.
What timezone is AEST in?
AEST operates on its local timezone.
What timezone is EST in?
EST operates on its local timezone.
Which countries use AEST (Australian Eastern Standard Time)?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Does AEST observe daylight saving time?
Yes, AEST switches to AEDT during summer months.
What are some interesting 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.
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 AEST, what time is it in EST?
When it is 12:00 AM (midnight) in AEST (AEST), it is -15h later in EST (EST).
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See every conversion from AEST →·See every conversion from EST →