How long to sail from Southampton UK Buenos Aires Argentina?

Here is the time frame broken down:

Atlantic Ocean crossing:

Southampton, UK to Canary Islands (1-2 days)

Canary Islands to Cape Verde (2 days)

Cape Verde to Recife, Brazil (8-9 days)

Recife to Rio de Janeiro, Brazil (3 days)

Rio de Janeiro to Buenos Aires, Argentina (5 days)