Colombia to Buenos Aires
+2hColombia
COTSOURCEBuenos Aires
ARTGreen rows indicate typical business hours (9 AM - 5 PM)
COT and ART on the World Map
The map below highlights the COT (Colombia Time) and ART (Argentina Time) timezone regions across the globe.
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.
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 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.
Comparing Time Zones: Colombia and Buenos Aires
Colombia runs on Colombia Standard Time (COT) at UTC-05:00. Buenos Aires runs on Argentina Standard Time (ART) at UTC-03:00. That puts Colombia 2 hours ahead of Buenos Aires — a difference of +2h at the current offsets.
In practice, when it is 9:00 AM in Colombia it is 11:00 AM in Buenos Aires. Midnight in Colombia is 2:00 AM in Buenos Aires. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Colombia to Buenos Aires time conversion table
| Colombia (COT) | Buenos Aires (ART) | Day |
|---|---|---|
| 12:00 AM | 2:00 AM | same day |
| 6:00 AM | 8:00 AM | same day |
| 7:00 AM | 9:00 AM | same day |
| 8:00 AM | 10:00 AM | same day |
| 9:00 AM | 11:00 AM | same day |
| 12:00 PM | 2:00 PM | same day |
| 3:00 PM | 5:00 PM | same day |
| 5:00 PM | 7:00 PM | same day |
| 6:00 PM | 8:00 PM | same day |
| 9:00 PM | 11:00 PM | same day |
Why people convert Colombia to Buenos Aires time
- Scheduling a call from Colombia to Buenos Aires: a 10:00 AM start in Colombia lands at 12:00 PM in Buenos Aires, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Colombia and Buenos Aires are inside the 9-to-5 working day between 9:00 AM and 3:00 PM COT time (11:00 AM–5:00 PM ART). That is roughly 6 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Colombia is 10:00 PM in Buenos Aires makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM COT" is unambiguous; "3 PM" across a +2h gap is not.
- Block 9:00 AM–3:00 PM COT as the recurring meeting window if you work primarily from Colombia and need Buenos Aires colleagues present.
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.
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 Colombia and Buenos Aires
Both Colombia and Buenos Aires sit inside the 9 AM – 5 PM working day between 9:00 AM–3:00 PM COT, which is 11:00 AM–5:00 PM ART. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Colombia and Buenos Aires share 6 hours of working-hours overlap (9:00 AM–3:00 PM COT), so scheduling a live meeting is straightforward.
Colombia is 2 hours ahead of Buenos Aires (COT UTC-05:00 → ART UTC-03:00). The shared working window is 9:00 AM–3:00 PM COT. 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 Colombia and Buenos Aires?
Colombia (COT, UTC-05:00) is 2 hours ahead of Buenos Aires (ART, UTC-03:00). The gap is currently +2h.
How do I convert Colombia time to Buenos Aires time?
Add +2h to Colombia local time. For example, 9:00 AM in Colombia is 11:00 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 +2h offset from Colombia.
What is the best time to call Buenos Aires from Colombia?
Call between 9:00 AM and 3:00 PM COT — that maps to 11:00 AM–5:00 PM ART and keeps both parties inside the working day.
Which is ahead, Colombia or Buenos Aires?
Colombia is 2 hours ahead of Buenos Aires. When it is 12:00 PM in Colombia it is 2:00 PM in Buenos Aires.
Do Colombia and Buenos Aires use different time zones?
Colombia (Colombia) uses COT at UTC-05:00, while Buenos Aires (Argentina) uses ART at UTC-03:00. The IANA identifiers are America/Bogota and America/Buenos_Aires.
Does daylight saving time affect the Colombia–Buenos Aires difference?
Neither zone observes daylight saving time, so the +2h offset between Colombia and Buenos Aires is fixed all year.
Which other cities share Colombia's time zone?
COT also covers Bogotá, Medellín, Cali, Barranquilla, Cartagena.
Which countries use COT, Colombia's zone?
COT is used in Colombia.
Is there a day difference between Colombia and Buenos Aires?
Not normally. The +2h gap only pushes the date over for late-evening times.
What is the time difference between Colombia and Buenos Aires?
Buenos Aires is +2h from Colombia.
What timezone is Colombia in?
Colombia operates on its local timezone.
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 Buenos Aires?
Standard business hours in Buenos Aires are 9:00 AM - 6:00 PM ART.
Which countries use COT (Colombia Time)?
COT is used in Colombia.
Does COT observe daylight saving time?
No, COT does not observe daylight saving time and remains at UTC-05:00 year-round.
What are some interesting facts about COT?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
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 Colombia, what time is it in Buenos Aires?
When it is 12:00 AM (midnight) in Colombia (COT), it is +2h later in Buenos Aires (ART).
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