Nfl Season League Msi 2025. The nfl released the important dates pertaining to the league for the 2025 calendar on thursday. Trading period for 2025 begins at 4:00 p.m., new york time, after expiration of all 2024 contracts.t he first day of the 2025 league year will end at 11:59:59 p.m., new york time, on.

This marks the first time in years that an. Here is an overview of important nfl dates for the 2025 league year.