Mr. Leahy said the date presents a "reasonable schedule" that would give members of the committee several more weeks to prepare.
President Barack Obama has urged the Senate to vote on confirming Judge Sotomayor to the high court before it leaves for a congressional recess in August. Republicans have pressed for more time to consider the nomination.
But Mr. Leahy said there was "no reason to unduly delay consideration of this well-qualified nominee. She deserves the opportunity to go before the public and speak of her record." The Vermont Democrat said that as a judge, she will only be able to speak publicly about her record when the hearings convene.