Nfl Season Dates 2025 Playoffs. Detroit lions favored to win it all 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 march 12.

This year’s postseason field will include several fresh faces with the washington commanders, minnesota vikings, denver broncos and los angeles chargers all set to. The 2025 nfl playoff bracket.