Offset
The time difference between Colombia Time and Argentina Time is 2 hours.
Colombia Time (COT) is behind Argentina Time (ART).
COT: UTC-5
ART: UTC-3
Neither Colombia Time nor Argentina Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–3 PM in Colombia Time (11 AM–5 PM in Argentina Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Colombia Time (2:00 PM Argentina Time).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Colombia
- New Year's DayThu, Jan 1
- EpiphanyMon, Jan 12
- Saint Joseph's DayMon, Mar 23
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Ascension DayMon, May 18
- Corpus ChristiMon, Jun 8
- Sacred HeartMon, Jun 15
- Saint Peter and Saint PaulMon, Jun 29
- Declaration of IndependenceMon, Jul 20
- Battle of BoyacáFri, Aug 7
- Assumption of MaryMon, Aug 17
- Columbus DayMon, Oct 12
- All Saints’ DayMon, Nov 2
- Independence of CartagenaMon, Nov 16
- Immaculate ConceptionTue, Dec 8
- Christmas DayFri, Dec 25
Argentina
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Day of Remembrance for Truth and JusticeTue, Mar 24
- Day of the Veterans and Fallen of the Malvinas WarThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- May RevolutionMon, May 25
- Anniversary of the Passing of General Martín Miguel de GüemesMon, Jun 15
- General Manuel Belgrano Memorial DaySat, Jun 20
- Independence DayThu, Jul 9
- General José de San Martín Memorial DayMon, Aug 17
- Day of Respect for Cultural DiversityMon, Oct 12
- National Sovereignty DayMon, Nov 23
- Immaculate Conception DayTue, Dec 8
- Christmas DayFri, Dec 25
About these zones
Colombia Time is also known as COT. To call Colombia, dial +57.
Argentina Time is also known as ART. To call Argentina, dial +54.
Argentina Time is approximately 2,900 miles south of Colombia Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| COT | ART | Day |
|---|---|---|
| 12:00 am | 2:00 am | Same day |
| 1:00 am | 3:00 am | Same day |
| 2:00 am | 4:00 am | Same day |
| 3:00 am | 5:00 am | Same day |
| 4:00 am | 6:00 am | Same day |
| 5:00 am | 7:00 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 |
| 10:00 am | 12:00 pm | Same day |
| 11:00 am | 1:00 pm | Same day |
| 12:00 pm | 2:00 pm | Same day |
| 1:00 pm | 3:00 pm | Same day |
| 2:00 pm | 4:00 pm | Same day |
| 3:00 pm | 5:00 pm | Same day |
| 4:00 pm | 6:00 pm | Same day |
| 5:00 pm | 7:00 pm | Same day |
| 6:00 pm | 8:00 pm | Same day |
| 7:00 pm | 9:00 pm | Same day |
| 8:00 pm | 10:00 pm | Same day |
| 9:00 pm | 11:00 pm | Same day |
| 10:00 pm | 12:00 am | +1 day |
| 11:00 pm | 1:00 am | +1 day |
Daylight saving time
Neither Colombia Time nor Argentina Time observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:44 AM
- Sunset
- 6:07 PM
- Day length
- 12h 23m
- Sunrise
- 7:55 AM
- Sunset
- 5:51 PM
- Day length
- 9h 56m
Cities in these zones
Cities in Colombia Time
Cities in Argentina Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Colombia Time
- BOG
- CLO
- EOH
- MDE
Airports in Argentina Time
- AEP
- EZE
Related conversions
Common conversions
- What is 9:00 am COT in ART?
- 9:00 am COT is 11:00 am ART.
- What is 12:00 pm COT in ART?
- 12:00 pm COT is 2:00 pm ART.
- What is 12:30 pm COT in ART?
- 12:30 pm COT is 2:30 pm ART.
- What is 2:00 pm COT in ART?
- 2:00 pm COT is 4:00 pm ART.
- What is 5:00 pm COT in ART?
- 5:00 pm COT is 7:00 pm ART.
- What is 11:30 pm COT in ART?
- 11:30 pm COT is 1:30 am ART, the next day.