Buenos Aires to Toronto
-1hBuenos Aires
ARTSOURCEToronto
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
ART and EDT on the World Map
The map below highlights the ART (Argentina Time) and EDT (Eastern Standard Time) timezone regions across the globe.
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).
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.
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.
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.
Understanding the -1h Gap: Buenos Aires vs Toronto
Buenos Aires runs on Argentina Standard Time (ART) at UTC-03:00. Toronto runs on Eastern Daylight Time (EDT) at UTC-04:00, also currently on daylight saving time. That puts Buenos Aires 1 hour behind Toronto — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Buenos Aires it is 8:00 AM in Toronto. Midnight in Buenos Aires is 11:00 PM in Toronto.Toronto observes daylight saving time while Buenos Aires does not, so the gap narrows or widens by an hour part of the year.
Buenos Aires to Toronto time conversion table
| Buenos Aires (ART) | Toronto (EDT) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert Buenos Aires to Toronto time
- Scheduling a call from Buenos Aires to Toronto: a 10:00 AM start in Buenos Aires lands at 9:00 AM in Toronto, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Buenos Aires and Toronto are inside the 9-to-5 working day between 10:00 AM and 5:00 PM ART time (9:00 AM–4:00 PM EDT). That is roughly 7 hours of usable overlap.
- Watching a live event or market open: Buenos Aires viewers need 8:00 AM in Toronto to catch a 9:00 AM start there, and 1:00 AM if the event is anchored to Buenos Aires.
- Always state the zone abbreviation, not just the hour. "3:00 PM ART" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM ART as the recurring meeting window if you work primarily from Buenos Aires and need Toronto colleagues present.
- Toronto: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
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.
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 Buenos Aires and Toronto
Both Buenos Aires and Toronto sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM ART, which is 9:00 AM–4:00 PM EDT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Buenos Aires and Toronto share 7 hours of working-hours overlap (10:00 AM–5:00 PM ART), so scheduling a live meeting is straightforward.
Buenos Aires is 1 hour behind Toronto (ART UTC-03:00 → EDT UTC-04:00). The shared working window is 10:00 AM–5:00 PM ART. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Buenos Aires
Does not observe DST
Toronto
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 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 Buenos Aires and Toronto?
Buenos Aires (ART, UTC-03:00) is 1 hour behind Toronto (EDT, UTC-04:00). The gap is currently -1h.
How do I convert Buenos Aires time to Toronto time?
Add -1h to Buenos Aires local time. For example, 9:00 AM in Buenos Aires is 8:00 AM in Toronto.
What time is it in Toronto right now?
Toronto uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from Buenos Aires.
What is the best time to call Toronto from Buenos Aires?
Call between 10:00 AM and 5:00 PM ART — that maps to 9:00 AM–4:00 PM EDT and keeps both parties inside the working day.
Which is behind, Buenos Aires or Toronto?
Buenos Aires is 1 hour behind Toronto. When it is 12:00 PM in Buenos Aires it is 11:00 AM in Toronto.
Do Buenos Aires and Toronto use different time zones?
Buenos Aires (Argentina) uses ART at UTC-03:00, while Toronto (Canada) uses EDT at UTC-04:00. The IANA identifiers are America/Buenos_Aires and America/Toronto.
Does daylight saving time affect the Buenos Aires–Toronto 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 Buenos Aires's time zone?
ART also covers Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
Which countries use ART, Buenos Aires's zone?
ART is used in Argentina.
Is there a day difference between Buenos Aires and Toronto?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Buenos Aires and Toronto?
Toronto is -1h from Buenos Aires.
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 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 are the business hours in Buenos Aires?
Standard business hours in Buenos Aires are 9:00 AM - 6:00 PM ART.
What are the business hours in Toronto?
Standard business hours in Toronto are 9:00 AM - 5:00 PM EST.
What is the best time to schedule a call between Buenos Aires and Toronto?
The best overlap for a call is when both cities are in business hours. Buenos Aires works 9:00 AM - 6:00 PM ART and Toronto works 9:00 AM - 5:00 PM EST (-1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Buenos Aires and Toronto?
Buenos Aires uses ARS ($) while Toronto uses CAD (C$). Check current exchange rates when planning travel or business between these cities.
How do Buenos Aires and Toronto compare in size?
Buenos Aires has a population of approximately 3 million (metro: 15.4 million), while Toronto has approximately 2.9 million (metro: 6.3 million).
What are the major landmarks in Buenos Aires and Toronto?
Buenos Aires is known for Casa Rosada, Teatro Colón, La Boca. Toronto is famous for CN Tower, Royal Ontario Museum, Ripley's Aquarium.
Do Buenos Aires and Toronto have stock exchanges?
Yes. Buenos Aires has the BCBA (Buenos Aires Stock Exchange) and Toronto has the TSX (Toronto Stock Exchange). The -1h time difference affects trading hour overlaps between these exchanges.
Which countries use ART (Argentina Time)?
ART is used in Argentina.
Does ART observe daylight saving time?
No, ART does not observe daylight saving time and remains at UTC-03:00 year-round.
What are some interesting facts about ART?
Argentina does not observe daylight saving time. Buenos Aires is one of the most visited cities in South America.
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 Buenos Aires, what time is it in Toronto?
When it is 12:00 AM (midnight) in Buenos Aires (ART), it is -1h later in Toronto (EST).
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