EST to AEDT
+16hEST
ESTSOURCEAEDT
AEDTGreen rows indicate typical business hours (9 AM - 5 PM)
EST and AEDT on the World Map
The map below highlights the EST (Eastern Standard Time) and AEDT (Australian Eastern Daylight Time) timezone regions across the globe.
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.
AEDT – Australian Eastern Daylight Time
UTC+11:00Australian Eastern Daylight Time (AEDT, UTC+11:00) is the daylight saving period in south-eastern Australia, from October to April.
- •AEDT runs from the first Sunday in October to the first Sunday in April.
- •AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
- •Queensland does not observe daylight saving, so Brisbane stays on AEST.
- •During AEDT, Sydney is 16 hours ahead of New York and 11 hours ahead of UTC.
Time Conversion Guide: EST to AEDT
EST runs on Eastern Standard Time (EST) at UTC-05:00. AEDT runs on Australian Eastern Daylight Time (AEDT) at UTC+11:00. That puts EST 16 hours ahead of AEDT — a difference of +16h at the current offsets.
In practice, when it is 9:00 AM in EST it is 1:00 AM in AEDT on the next day. Midnight in EST is 4:00 PM in AEDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EST to AEDT time conversion table
| EST (EST) | AEDT (AEDT) | 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 EST to AEDT time
- Scheduling a call from EST to AEDT: a 10:00 AM start in EST lands at 2:00 AM in AEDT the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +16h gap: EST and AEDT 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 AEDT is 1:00 AM in EST.
- Watching a live event or market open: EST viewers need 1:00 AM in AEDT to catch a 9:00 AM start there, and 8:00 AM if the event is anchored to EST.
- Always state the zone abbreviation, not just the hour. "3:00 PM EST" 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 EST takes the early slot, the next week AEDT 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 AEDT (Australian Eastern Daylight Time)
Australian Eastern Daylight Time (AEDT) is the daylight saving period in south-eastern Australia, one hour ahead of Australian Eastern Standard Time (AEST, UTC+10:00). Because Australia is in the southern hemisphere, AEDT runs through the summer — from the first Sunday in October to the first Sunday in April — which is almost exactly the reverse of the European and North American schedules. New South Wales, Victoria, Tasmania and the Australian Capital Territory observe it; Queensland and the Northern Territory do not, so Brisbane stays on AEST year round while Sydney moves to AEDT. During AEDT, Sydney is 11 hours ahead of UTC and 16 hours ahead of New York.
Best time to call between EST and AEDT
With a +16h offset there is no overlap inside a normal 9 AM – 5 PM day. AEDT opens at 9:00 AM AEDT, which is 1:00 AM in EST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
EST and AEDT have no shared working hours because of the +16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
EST is 16 hours ahead of AEDT (EST UTC-05:00 → AEDT UTC+11:00). 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
AEDT
❄ 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.
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 EST and AEDT?
EST (EST, UTC-05:00) is 16 hours ahead of AEDT (AEDT, UTC+11:00). The gap is currently +16h.
How do I convert EST time to AEDT time?
Add +16h to EST local time. For example, 9:00 AM in EST is 1:00 AM in AEDT (next day).
What time is it in AEDT right now?
AEDT uses AEDT at UTC+11:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +16h offset from EST.
What is the best time to call AEDT from EST?
There is no shared working-hours window because of the +16h gap. The closest option is 1:00 PM in EST, which is 5:00 AM in AEDT.
Which is ahead, EST or AEDT?
EST is 16 hours ahead of AEDT. When it is 12:00 PM in EST it is 4:00 AM in AEDT.
Does daylight saving time affect the EST–AEDT difference?
Neither zone observes daylight saving time, so the +16h offset between EST and AEDT 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 AEDT?
Sometimes. The +16h gap is large enough that 8:00 PM or later in EST already falls on the next day in AEDT.
What is the time difference between EST and AEDT?
AEDT is +16h from EST.
What timezone is EST in?
EST operates on its local timezone.
What timezone is AEDT in?
AEDT 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 AEDT timezone?
Major cities in the AEDT timezone include Sydney, Melbourne, Canberra, Hobart, Newcastle.
What is the UTC offset for AEDT?
Australian Eastern Daylight Time (AEDT) is at UTC+11:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEDT timezone?
AEDT runs from the first Sunday in October to the first Sunday in April. AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
When is it midnight in EST, what time is it in AEDT?
When it is 12:00 AM (midnight) in EST (EST), it is +16h later in AEDT (AEDT).
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See every conversion from EST →·See every conversion from AEDT →