Kings Day 2025 Amsterdam Celebrations. King's day also known as queen's day takes place every year on april 27th. Kings day falls on a sunday this year, so will be celebrated a day early instead.
While king’s day is traditionally celebrated on april 27 of each year (a la the king’s birthday), april 27 falls on a sunday in 2025. A day celebrating national pride and unity in the form of festivals, nightclub parties, flea markets, open air street and boat parties.