Toronto to Buenos Aires
+1hToronto
EDTSOURCEBuenos Aires
ARTGreen rows indicate typical business hours (9 AM - 5 PM)
EDT and ART on the World Map
The map below highlights the EDT (Eastern Standard Time) and ART (Argentina 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.
ART – Argentina Time
UTC-03:00Argentina Time (ART) is the standard time for Argentina, 3 hours behind UTC.
- •Argentina does not observe daylight saving time.
- •Buenos Aires is one of the most visited cities in South America.
- •ART is the same offset as BRT (UTC-03:00).
About Toronto
WikipediaToronto shares Eastern Time (EST/EDT) with New York. As Canada's largest city and financial center, Toronto's TSX is among North America's largest stock exchanges.
Toronto is the most multicultural city in the world - over 50% of residents were born outside Canada.
About Buenos Aires
WikipediaBuenos Aires operates on Argentina Time (ART), UTC-3. As South America's most European city, Buenos Aires coordinates with Brazilian markets in the same timezone.
The Teatro Colón is considered one of the best opera houses in the world for acoustics.
Toronto vs Buenos Aires: Offsets, DST and Best Call Times
Toronto runs on Eastern Daylight Time (EDT) at UTC-04:00, currently observing daylight saving time. Buenos Aires runs on Argentina Standard Time (ART) at UTC-03:00. That puts Toronto 1 hour ahead of Buenos Aires — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in Toronto it is 10:00 AM in Buenos Aires. Midnight in Toronto is 1:00 AM in Buenos Aires.Toronto observes daylight saving time while Buenos Aires does not, so the gap narrows or widens by an hour part of the year.
Toronto to Buenos Aires time conversion table
| Toronto (EDT) | Buenos Aires (ART) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert Toronto to Buenos Aires time
- Scheduling a call from Toronto to Buenos Aires: a 10:00 AM start in Toronto lands at 11:00 AM in Buenos Aires, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Toronto and Buenos Aires are inside the 9-to-5 working day between 9:00 AM and 4:00 PM EDT time (10:00 AM–5:00 PM ART). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking Buenos Aires local time against Toronto keeps pickup windows and arrival estimates honest across the +1h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM EDT" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM EDT as the recurring meeting window if you work primarily from Toronto and need Buenos Aires colleagues present.
- Toronto: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +1h gap.
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 ART (Argentina Time)
Argentina Time (ART) is the time zone used throughout Argentina. Argentina does not observe daylight saving time. ART shares the same offset as Brasilia Time (BRT) and Uruguay's UYT.
Best time to call between Toronto and Buenos Aires
Both Toronto and Buenos Aires sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM EDT, which is 10:00 AM–5:00 PM ART. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Toronto and Buenos Aires share 7 hours of working-hours overlap (9:00 AM–4:00 PM EDT), so scheduling a live meeting is straightforward.
Toronto is 1 hour ahead of Buenos Aires (EDT UTC-04:00 → ART UTC-03:00). The shared working window is 9:00 AM–4:00 PM EDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Toronto
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Buenos Aires
Does not observe DST
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 Toronto and Buenos Aires?
Toronto (EDT, UTC-04:00) is 1 hour ahead of Buenos Aires (ART, UTC-03:00). The gap is currently +1h.
How do I convert Toronto time to Buenos Aires time?
Add +1h to Toronto local time. For example, 9:00 AM in Toronto is 10:00 AM in Buenos Aires.
What time is it in Buenos Aires right now?
Buenos Aires uses ART at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from Toronto.
What is the best time to call Buenos Aires from Toronto?
Call between 9:00 AM and 4:00 PM EDT — that maps to 10:00 AM–5:00 PM ART and keeps both parties inside the working day.
Which is ahead, Toronto or Buenos Aires?
Toronto is 1 hour ahead of Buenos Aires. When it is 12:00 PM in Toronto it is 1:00 PM in Buenos Aires.
Do Toronto and Buenos Aires use different time zones?
Toronto (Canada) uses EDT at UTC-04:00, while Buenos Aires (Argentina) uses ART at UTC-03:00. The IANA identifiers are America/Toronto and America/Buenos_Aires.
Does daylight saving time affect the Toronto–Buenos Aires difference?
Yes at the moment: Toronto is on daylight saving time and Buenos Aires is not, so the +1h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Toronto's time zone?
EDT also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.
Which countries use EDT, Toronto's zone?
EDT 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 Toronto and Buenos Aires?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between Toronto and Buenos Aires?
Buenos Aires is +1h from Toronto.
What timezone is Toronto in?
Toronto shares Eastern Time (EST/EDT) with New York. As Canada's largest city and financial center, Toronto's TSX is among North America's largest stock exchanges.
What timezone is Buenos Aires in?
Buenos Aires operates on Argentina Time (ART), UTC-3. As South America's most European city, Buenos Aires coordinates with Brazilian markets in the same timezone.
What are the business hours in Toronto?
Standard business hours in Toronto are 9:00 AM - 5:00 PM EST.
What are the business hours in Buenos Aires?
Standard business hours in Buenos Aires are 9:00 AM - 6:00 PM ART.
What is the best time to schedule a call between Toronto and Buenos Aires?
The best overlap for a call is when both cities are in business hours. Toronto works 9:00 AM - 5:00 PM EST and Buenos Aires works 9:00 AM - 6:00 PM ART (+1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Toronto and Buenos Aires?
Toronto uses CAD (C$) while Buenos Aires uses ARS ($). Check current exchange rates when planning travel or business between these cities.
How do Toronto and Buenos Aires compare in size?
Toronto has a population of approximately 2.9 million (metro: 6.3 million), while Buenos Aires has approximately 3 million (metro: 15.4 million).
What are the major landmarks in Toronto and Buenos Aires?
Toronto is known for CN Tower, Royal Ontario Museum, Ripley's Aquarium. Buenos Aires is famous for Casa Rosada, Teatro Colón, La Boca.
Do Toronto and Buenos Aires have stock exchanges?
Yes. Toronto has the TSX (Toronto Stock Exchange) and Buenos Aires has the BCBA (Buenos Aires Stock Exchange). The +1h 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 ART timezone?
Major cities in the ART timezone include Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
What is the UTC offset for ART?
Argentina Time (ART) is at UTC-03:00.
What should I know about the ART timezone?
Argentina does not observe daylight saving time. Buenos Aires is one of the most visited cities in South America.
When is it midnight in Toronto, what time is it in Buenos Aires?
When it is 12:00 AM (midnight) in Toronto (EST), it is +1h later in Buenos Aires (ART).
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