Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between cest and art?
Central European Summer Time (cest) is UTC+2 and Argentina Time (art) is UTC-3. The difference between them is 5 hours.
Where is cest used?
Central European Summer Time (cest) is used in France and surrounding regions. The IANA timezone identifier is Europe/Paris.
Where is art used?
Argentina Time (art) is used in Argentina and surrounding regions. The IANA timezone identifier is America/Argentina/Buenos_Aires.
How do I convert cest to art?
Use the interactive converter above. Drag the time slider to any cest time and the art equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CEST (Paris) is 5 hours ahead of ART (Buenos Aires). Midday in CEST (Paris) lines up with 07:00 in ART (Buenos Aires).
CEST (Paris) runs on Europe/Paris; ART (Buenos Aires) runs on America/Argentina/Buenos_Aires. Together they are 5 hours apart.
Mutual working hours
There is a 3-hour window each day where both CEST (Paris) and ART (Buenos Aires) are within standard business hours (09:00–17:00).
00:0006:0012:0018:0024:00
CEST (Paris)
ART (Buenos Aires)
Overlap (3h)
Best times to schedule a meeting
There is a 3-hour daily window where both locations are in business hours.
14:00 Paris / 09:00 Buenos Aires✓ Both working
15:00 Paris / 10:00 Buenos Aires✓ Both working
16:00 Paris / 11:00 Buenos Aires✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
CEST (Paris)5 holidays
Jul 14Bastille Day
Aug 15Assumption Day
Nov 1All Saints' Day
Nov 11Armistice Day
Dec 25Christmas Day
ART (Buenos Aires)8 holidays
Jun 15Anniversary of the Passing of General Martín Miguel de GüemesSOON
Jun 20General Manuel Belgrano Memorial DaySOON
Jul 9Independence Day
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
How to work with CEST (Paris) and ART (Buenos Aires) time zones
The 5-hour gap between CEST (Paris) (France) and ART (Buenos Aires) (Argentina) requires some planning — but a 3-hour daily overlap means both teams can connect in real time without unusual scheduling.
💡 How to schedule across these time zones
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If you are in CEST (Paris), aim for 14:00–15:00, which corresponds to 09:00–10:00 in ART (Buenos Aires) — both teams are within working hours.
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If you are in CEST (Paris), aim for 15:00–16:00, which corresponds to 10:00–11:00 in ART (Buenos Aires) — both teams are within working hours.
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If you are in CEST (Paris), aim for 16:00–17:00, which corresponds to 11:00–12:00 in ART (Buenos Aires) — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am CEST (Paris)".
