Buenos Aires to Colombia
-2hBuenos Aires
ARTSOURCEColombia
COTGreen rows indicate typical business hours (9 AM - 5 PM)
ART and COT on the World Map
The map below highlights the ART (Argentina Time) and COT (Colombia 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).
COT – Colombia Time
UTC-05:00Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.
- •Colombia does not observe daylight saving time.
- •COT is the same offset as EST (UTC-05:00).
- •Bogotá sits at 2,640m elevation, making it one of the highest capital cities.
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.
Buenos Aires to Colombia Time Difference – Complete Guide
Buenos Aires runs on Argentina Standard Time (ART) at UTC-03:00. Colombia runs on Colombia Standard Time (COT) at UTC-05:00. That puts Buenos Aires 2 hours behind Colombia — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in Buenos Aires it is 7:00 AM in Colombia. Midnight in Buenos Aires is 10:00 PM in Colombia. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Buenos Aires to Colombia time conversion table
| Buenos Aires (ART) | Colombia (COT) | Day |
|---|---|---|
| 12:00 AM | 10:00 PM | previous day |
| 6:00 AM | 4:00 AM | same day |
| 7:00 AM | 5:00 AM | same day |
| 8:00 AM | 6:00 AM | same day |
| 9:00 AM | 7:00 AM | same day |
| 12:00 PM | 10:00 AM | same day |
| 3:00 PM | 1:00 PM | same day |
| 5:00 PM | 3:00 PM | same day |
| 6:00 PM | 4:00 PM | same day |
| 9:00 PM | 7:00 PM | same day |
Why people convert Buenos Aires to Colombia time
- Scheduling a call from Buenos Aires to Colombia: a 10:00 AM start in Buenos Aires lands at 8:00 AM in Colombia, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Buenos Aires and Colombia are inside the 9-to-5 working day between 11:00 AM and 5:00 PM ART time (9:00 AM–3:00 PM COT). That is roughly 6 hours of usable overlap.
- Watching a live event or market open: Buenos Aires viewers need 7:00 AM in Colombia to catch a 9:00 AM start there, and 2:00 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 -2h gap is not.
- Block 11:00 AM–5:00 PM ART as the recurring meeting window if you work primarily from Buenos Aires and need Colombia colleagues present.
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 COT (Colombia Time)
Colombia Time (COT) is used throughout Colombia. Colombia does not observe daylight saving time. COT shares the same offset as EST (UTC-05:00). Bogotá, the capital, is one of the largest cities in South America.
Best time to call between Buenos Aires and Colombia
Both Buenos Aires and Colombia sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM ART, which is 9:00 AM–3:00 PM COT. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Buenos Aires and Colombia share 6 hours of working-hours overlap (11:00 AM–5:00 PM ART), so scheduling a live meeting is straightforward.
Buenos Aires is 2 hours behind Colombia (ART UTC-03:00 → COT UTC-05:00). The shared working window is 11:00 AM–5:00 PM ART. Remember to re-check around daylight-saving transitions.
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 Colombia?
Buenos Aires (ART, UTC-03:00) is 2 hours behind Colombia (COT, UTC-05:00). The gap is currently -2h.
How do I convert Buenos Aires time to Colombia time?
Add -2h to Buenos Aires local time. For example, 9:00 AM in Buenos Aires is 7:00 AM in Colombia.
What time is it in Colombia right now?
Colombia uses COT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h offset from Buenos Aires.
What is the best time to call Colombia from Buenos Aires?
Call between 11:00 AM and 5:00 PM ART — that maps to 9:00 AM–3:00 PM COT and keeps both parties inside the working day.
Which is behind, Buenos Aires or Colombia?
Buenos Aires is 2 hours behind Colombia. When it is 12:00 PM in Buenos Aires it is 10:00 AM in Colombia.
Do Buenos Aires and Colombia use different time zones?
Buenos Aires (Argentina) uses ART at UTC-03:00, while Colombia (Colombia) uses COT at UTC-05:00. The IANA identifiers are America/Buenos_Aires and America/Bogota.
Does daylight saving time affect the Buenos Aires–Colombia difference?
Neither zone observes daylight saving time, so the -2h offset between Buenos Aires and Colombia is fixed all year.
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 Colombia?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between Buenos Aires and Colombia?
Colombia is -2h 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 Colombia in?
Colombia operates on its local timezone.
What are the business hours in Buenos Aires?
Standard business hours in Buenos Aires are 9:00 AM - 6:00 PM ART.
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 COT timezone?
Major cities in the COT timezone include Bogotá, Medellín, Cali, Barranquilla, Cartagena.
What is the UTC offset for COT?
Colombia Time (COT) is at UTC-05:00.
What should I know about the COT timezone?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
When is it midnight in Buenos Aires, what time is it in Colombia?
When it is 12:00 AM (midnight) in Buenos Aires (ART), it is -2h later in Colombia (COT).
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