Offset
The time difference between Argentina Time and Cuba Standard Time is 1 hour.
Argentina Time (ART) is ahead of Cuba Standard Time (CDT).
ART: UTC-3
CDT: UTC-4
Cuba Standard Time is currently observing daylight saving time; Argentina Time is not.
When to schedule
Business-hours overlap: 10 AM–5 PM in Argentina Time (9 AM–4 PM in Cuba Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Argentina Time (12:00 PM Cuba Standard Time).
This window may shift by an hour during daylight saving 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.
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
Cuba
- Triumph of the RevolutionThu, Jan 1
- Victory of Fidel CastroFri, Jan 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Day before the Commemoration of the Assault of the Moncada garrisonSat, Jul 25
- Commemoration of the Assault of the Moncada garrisonSun, Jul 26
- Day after the Commemoration of the Assault of the Moncada garrisonMon, Jul 27
- Independence DaySat, Oct 10
- Christmas DayFri, Dec 25
About these zones
Argentina Time is also known as ART. To call Argentina, dial +54.
Cuba Standard Time is also known as CST, or CDT. To call Cuba, dial +53.
Cuba Standard Time is approximately 4,300 miles northwest of Argentina Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| ART | CST-CUBA | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Cuba Standard Time observes daylight saving time; Argentina Time does not. The offset between the two zones changes when Cuba Standard Time transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:55 AM
- Sunset
- 5:51 PM
- Day length
- 9h 56m
- Sunrise
- 6:44 AM
- Sunset
- 8:14 PM
- Day length
- 13h 30m
Daylight overlap: 9h 56m — 7:55 AM–5:51 PM in Argentina Time (6:55 AM–4:51 PM in Cuba Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Argentina Time
Cities in Cuba Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Argentina Time
- AEP
- EZE
Airports in Cuba Standard Time
- HAV
Related conversions
Common conversions
- What is 9:00 am ART in CST-CUBA?
- 9:00 am ART is 8:00 am CST-CUBA.
- What is 12:00 pm ART in CST-CUBA?
- 12:00 pm ART is 11:00 am CST-CUBA.
- What is 12:30 pm ART in CST-CUBA?
- 12:30 pm ART is 11:30 am CST-CUBA.
- What is 2:00 pm ART in CST-CUBA?
- 2:00 pm ART is 1:00 pm CST-CUBA.
- What is 5:00 pm ART in CST-CUBA?
- 5:00 pm ART is 4:00 pm CST-CUBA.
- What is 11:30 pm ART in CST-CUBA?
- 11:30 pm ART is 10:30 pm CST-CUBA.