New York to Sydney
+15hNew York
ESTSOURCESydney
AESTGreen 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.
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.
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.
About New York
WikipediaNew York City, the financial capital of the world, operates on Eastern Time (EST/EDT). Home to Wall Street and the NYSE, NYC is crucial for global business coordination.
Times Square is named after The New York Times, which moved to the area in 1904.
About Sydney
WikipediaSydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
Sydney is one of the first major cities to welcome the New Year.
New York to Sydney Time Difference – Complete Guide
New York, USA operates on the Eastern Standard Time (UTC-05:00). Sydney, Australia uses Australian Eastern Standard Time (UTC+10:00).
The time difference between New York and Sydney is 900 minutes (+15h). When it's noon in New York, it's 03:00 AM in Sydney.
Why Convert New York to Sydney Time?
The time difference of 15 hours between New York and Sydney can significantly impact business operations and personal communication. By using this converter, you can easily find the overlapping business hours and schedule your interactions when both parties are available.
Best Practice: When proposing meeting times to someone in Sydney, offer a few options in their local time to show consideration for the 15-hour difference.
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 New York and Sydney
If you want to reach someone in Sydney during standard business hours (9 AM – 5 PM AEST), the best time to call from New York would be:
- Sydney 9:00 AM = New York 06:00 PM
- Sydney 12:00 PM = New York 09:00 PM
- Sydney 5:00 PM = New York 02:00 AM
Business Hours Overlap
New York and Sydney have minimal business hours overlap due to the +15h time difference. Teams may need to schedule early morning or late evening meetings for real-time collaboration.
To wrap up, keeping track of the +15h gap between New York and Sydney is essential for seamless communication. Bookmark this converter to stay on top of your schedule.
🕐 Daylight Saving Time Info
New York
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Sydney
☀ Currently in DST
Standard: UTC+10:00 · DST: UTC+11:00
Clocks fall back on Sat, Apr 4, 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 New York and Sydney?
Sydney is +15h from New York.
What timezone is New York in?
New York City, the financial capital of the world, operates on Eastern Time (EST/EDT). Home to Wall Street and the NYSE, NYC is crucial for global business coordination.
What timezone is Sydney in?
Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
What are the business hours in New York?
Standard business hours in New York are 9:00 AM - 5:00 PM EST.
What are the business hours in Sydney?
Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.
What is the best time to schedule a call between New York and Sydney?
The best overlap for a call is when both cities are in business hours. New York works 9:00 AM - 5:00 PM EST and Sydney works 9:00 AM - 5:00 PM AEST (+15h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in New York and Sydney?
New York uses USD ($) while Sydney uses AUD (A$). Check current exchange rates when planning travel or business between these cities.
How do New York and Sydney compare in size?
New York has a population of approximately 8.3 million (metro: 20.1 million), while Sydney has approximately 5.4 million (metro: 5.4 million).
What are the major landmarks in New York and Sydney?
New York is known for Statue of Liberty, Empire State Building, Times Square. Sydney is famous for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach.
Do New York and Sydney have stock exchanges?
Yes. New York has the NYSE (New York Stock Exchange) and Sydney has the ASX (Australian Securities Exchange). The +15h time difference affects trading hour overlaps between these exchanges.
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 New York, what time is it in Sydney?
When it is 12:00 AM (midnight) in New York (EST), it is +15h later in Sydney (AEST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams: