Buenos Aires is 4 hours behind Copenhagen (winter) or 5 hours behind (summer). When it's 3:00 PM in Copenhagen, it's 10:00 AM or 11:00 AM in Buenos Aires. Argentina does not observe DST.
Copenhagen uses CET/CEST while Buenos Aires uses ART (Argentina Time).
Optimal window: 2:00 PM - 6:00 PM Copenhagen time (9:00 AM - 1:00 PM Buenos Aires). Afternoon calls from Copenhagen reach morning business hours in Buenos Aires.
Denmark and Argentina have trade relationships in agriculture and renewable energy.