Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

COT to Argentina

+2h

COT

COTSOURCE

UTC-05:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Argentina

ART

UTC-03:00

HH02

MM00

14:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

COT

Argentina

12:00 AM

2:00 AM

4:00 AM

6:00 AM

8:00 AM

10:00 AM

12:00 PM

2:00 PM

4:00 PM

6:00 PM

8:00 PM

10:00 PM

12:00 AM+1

Green 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 Zone

→

ART Zone

Explore all world timezones interactively →

COT – Colombia Time

UTC-05:00

Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.

Countries in COT

Colombia

Major Cities in COT

BogotáMedellínCaliBarranquillaCartagena

Key Facts about COT

•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.

Daylight Saving:No – UTC-05:00 year-round

Learn more about COT on Wikipedia

ART – Argentina Time

UTC-03:00

Argentina Time (ART) is the standard time for Argentina, 3 hours behind UTC.

Countries in ART

Argentina

Major Cities in ART

Buenos AiresCórdobaRosarioMendozaLa PlataTucumán

Key Facts about ART

•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).

Daylight Saving:No – UTC-03:00 year-round

Learn more about ART on Wikipedia

Everything You Need to Know About COT and Argentina Time

COT runs on Colombia Time (COT) at UTC-05:00. Argentina runs on Argentina Standard Time (ART) at UTC-03:00. That puts COT 2 hours ahead of Argentina — a difference of +2h at the current offsets.

In practice, when it is 9:00 AM in COT it is 11:00 AM in Argentina. Midnight in COT is 2:00 AM in Argentina. Neither zone observes daylight saving time, so the offset between them stays constant all year.

COT to Argentina time conversion table

COT (COT)	Argentina (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 COT to Argentina time

Scheduling a call from COT to Argentina: a 10:00 AM start in COT lands at 12:00 PM in Argentina, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both COT and Argentina 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 COT is 10:00 PM in Argentina 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 COT and need Argentina 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 COT and Argentina

Both COT and Argentina 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

COT and Argentina share 6 hours of working-hours overlap (9:00 AM–3:00 PM COT), so scheduling a live meeting is straightforward.

COT is 2 hours ahead of Argentina (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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between COT and Argentina?

COT (COT, UTC-05:00) is 2 hours ahead of Argentina (ART, UTC-03:00). The gap is currently +2h.

How do I convert COT time to Argentina time?

Add +2h to COT local time. For example, 9:00 AM in COT is 11:00 AM in Argentina.

What time is it in Argentina right now?

Argentina 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 COT.