Portugal is 4 hours ahead of Argentina. When Portugal clocks hit noon, Argentina reads 08:00.
Portugal runs on Europe/Lisbon; Argentina runs on America/Argentina/Buenos_Aires. Together they are 4 hours apart.
Daily overlap window
Every working day, Portugal and Argentina are both in business hours for 4 hours simultaneously.
00:0006:0012:0018:0024:00
Portugal
Argentina
Overlap (4h)
Best times to schedule a meeting
There is a 4-hour daily window where both locations are in business hours. The 3 best slots are listed below.
13:00 Lisbon / 09:00 Buenos Aires✓ Both working
14:00 Lisbon / 10:00 Buenos Aires✓ Both working
15:00 Lisbon / 11:00 Buenos Aires✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Portugal8 holidays
Jul 1Madeira Day
Aug 15Assumption Day
Oct 5Republic Day
Nov 1All Saints Day
Dec 1Restoration of Independence
Argentina8 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
Working across Portugal and Argentina
The 4-hour gap between Portugal (Portugal) and Argentina (Argentina) requires some planning — but a 4-hour daily overlap means both teams can connect in real time without unusual scheduling.
💡 Best practice for cross-timezone meetings
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If you are in Portugal, aim for 13:00–14:00, which corresponds to 09:00–10:00 in Argentina — both teams are within working hours.
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If you are in Portugal, aim for 14:00–15:00, which corresponds to 10:00–11:00 in Argentina — both teams are within working hours.
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If you are in Portugal, aim for 15:00–16:00, which corresponds to 11:00–12:00 in Argentina — 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 Portugal".
