Did you know that showing up on time to someone's house for a party in Argentina is actually considered rude? If you're invited to a party that starts at 9 PM, no need to rush to be there on time! In fact, you should show up between 30 to 60 minutes late, and even showing up 2 to 3 hours late is normal and sometimes expected.
Argentina is a unique country in that most of the locals are of Italian, Spanish, or French decent and their etiquette and traditions are shaped by the cultures all of those countries. You'll find that the people there are generally very laid-back, but in order to blend in and respect Argentina, it's wise to follow their etiquette.