Offset
The time difference between Rotterdam and Buenos Aires is 5 hours.
Rotterdam (CEST) is ahead of Buenos Aires (ART).
CEST: UTC+2
ART: UTC-3
Rotterdam is currently observing daylight saving time; Buenos Aires is not.
When to schedule
Business-hours overlap: 2 PM–5 PM in Rotterdam (9 AM–12 PM in Buenos Aires).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Rotterdam (10:00 AM Buenos Aires).
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.
The Netherlands
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- King's DayMon, Apr 27
- Liberation DayTue, May 5
- Ascension DayThu, May 14
- PentecostSun, May 24
- Whit MondayMon, May 25
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
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
Rotterdam uses Central European Time (CET, or CEST). To call The Netherlands, dial +31.
Buenos Aires uses Argentina Time (ART). To call Argentina, dial +54.
Buenos Aires is approximately 7,100 miles southwest of Rotterdam.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Rotterdam | Buenos Aires | Day |
|---|---|---|
| 12:00 am | 7:00 pm | -1 day |
| 1:00 am | 8:00 pm | -1 day |
| 2:00 am | 9:00 pm | -1 day |
| 3:00 am | 10:00 pm | -1 day |
| 4:00 am | 11:00 pm | -1 day |
| 5:00 am | 12:00 am | Same day |
| 6:00 am | 1:00 am | Same day |
| 7:00 am | 2:00 am | Same day |
| 8:00 am | 3:00 am | Same day |
| 9:00 am | 4:00 am | Same day |
| 10:00 am | 5:00 am | Same day |
| 11:00 am | 6:00 am | Same day |
| 12:00 pm | 7:00 am | Same day |
| 1:00 pm | 8:00 am | Same day |
| 2:00 pm | 9:00 am | Same day |
| 3:00 pm | 10:00 am | Same day |
| 4:00 pm | 11:00 am | Same day |
| 5:00 pm | 12:00 pm | Same day |
| 6:00 pm | 1:00 pm | Same day |
| 7:00 pm | 2:00 pm | Same day |
| 8:00 pm | 3:00 pm | Same day |
| 9:00 pm | 4:00 pm | Same day |
| 10:00 pm | 5:00 pm | Same day |
| 11:00 pm | 6:00 pm | Same day |
Daylight saving time
Rotterdam observes daylight saving time; Buenos Aires does not. The offset between the two zones changes when Rotterdam transitions: on Sunday, October 25, 2026, clocks fall back from CEST to CET.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:25 AM
- Sunset
- 9:59 PM
- Day length
- 16h 34m
- Sunrise
- 7:57 AM
- Sunset
- 5:50 PM
- Day length
- 9h 54m
Daylight overlap: 9h 3m — 12:57 PM–9:59 PM in Rotterdam (7:57 AM–4:59 PM in Buenos Aires). Both locations are in daylight during this window.
Cities in these zones
Other cities in Central European Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central European Time
- AMS
- RTM
Airports in Argentina Time
- AEP
- EZE
Related conversions
Common conversions
- What is 9:00 am Rotterdam in Buenos Aires?
- 9:00 am Rotterdam is 4:00 am Buenos Aires.
- What is 12:00 pm Rotterdam in Buenos Aires?
- 12:00 pm Rotterdam is 7:00 am Buenos Aires.
- What is 12:30 pm Rotterdam in Buenos Aires?
- 12:30 pm Rotterdam is 7:30 am Buenos Aires.
- What is 2:00 pm Rotterdam in Buenos Aires?
- 2:00 pm Rotterdam is 9:00 am Buenos Aires.
- What is 5:00 pm Rotterdam in Buenos Aires?
- 5:00 pm Rotterdam is 12:00 pm Buenos Aires.
- What is 11:30 pm Rotterdam in Buenos Aires?
- 11:30 pm Rotterdam is 6:30 pm Buenos Aires.