NCAA Tournament begins Tuesday, March 18 with the First Four in Dayton, Ohio. That's when March Madness truly kicks into gear with 68 teams all vying to become the 2024-25 national champion. With 67 games set to be televised across CBS,

The tournament begins Tuesday with the first of four First Four games in Dayton, Ohio. The first round gets underway on Thursday with 16 games and then 16 games on Friday. Below are the start times for each of the First Four games and all 32 first-round games. All times are Eastern.

The 2025 NCAA Men’s Basketball Tournament, the 68-team competition that will determine the best college basketball team in the country, begins on Tuesday, March 18, 2025 (3/18/24) with the First Four round at the University of Dayton Arena in Dayton, Ohio.