ART to COT
-2hART
ARTSOURCECOT
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.
ART to COT Time Difference – Complete Guide
ART runs on Argentina Time (ART) at UTC-03:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts ART 2 hours behind COT — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in ART it is 7:00 AM in COT. Midnight in ART is 10:00 PM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
ART to COT time conversion table
| ART (ART) | COT (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 ART to COT time
- Scheduling a call from ART to COT: a 10:00 AM start in ART lands at 8:00 AM in COT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both ART and COT 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.
- Coordinating a ART-based team with COT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- 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 ART and need COT 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 ART and COT
Both ART and COT 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
ART and COT share 6 hours of working-hours overlap (11:00 AM–5:00 PM ART), so scheduling a live meeting is straightforward.
ART is 2 hours behind COT (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 ART and COT?
ART (ART, UTC-03:00) is 2 hours behind COT (COT, UTC-05:00). The gap is currently -2h.
How do I convert ART time to COT time?
Add -2h to ART local time. For example, 9:00 AM in ART is 7:00 AM in COT.
What time is it in COT right now?
COT 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 ART.
What is the best time to call COT from ART?
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, ART or COT?
ART is 2 hours behind COT. When it is 12:00 PM in ART it is 10:00 AM in COT.
Does daylight saving time affect the ART–COT difference?
Neither zone observes daylight saving time, so the -2h offset between ART and COT is fixed all year.
Which other cities share ART's time zone?
ART also covers Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
Which countries use ART, ART's zone?
ART is used in Argentina.
Is there a day difference between ART and COT?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between ART and COT?
COT is -2h from ART.
What timezone is ART in?
ART operates on its local timezone.
What timezone is COT in?
COT operates on its local timezone.
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 ART, what time is it in COT?
When it is 12:00 AM (midnight) in ART (ART), it is -2h later in COT (COT).
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See every conversion from ART →·See every conversion from COT →