The advent of the FIFA Club World Cup, which includes Chelsea and Manchester City, has led to an additional 10 days of business being allowed for all Premier League teams.
While, traditionally, the period for buying and selling players does not usually begin until July, Manchester United will be allowed to confirm deals from the start of June for a short-term period.
"Premier League clubs have today agreed the dates for the summer 2025 transfer window," said a statement.
"The window will open early, between Sunday 1 June and Tuesday 10 June, due to an exceptional registration period relating to the FIFA Club World Cup.