Holland America guests can dress casually during the day, though they must always wear shirts or cover-ups and footwear inside, a spokesperson for the line said in an email. The nighttime dress ...

Holland America Line Dress Code — Daytime: ... On cruises lasting 16 nights or longer, there are two evenings when guests can choose to wear formal or semiformal attire.

Peter Marshall, the formal-wear expert behind the Black Tie Guide blog, ... By the early 20th century, the tuxedo had taken America by storm. An ad for formal dress, circa 1912.

On formal evenings and for the Chef's Table dining experience, cruisers are expected to wear black-tie attire, which includes tuxedos, suits with ties, cocktail dresses and evening gowns.