The 2023-24 NFL season started its regular season on September 7, 2023. The opening game featured the defending Super Bowl LVII champion Kansas City Chiefs losing to the Detroit Lions in the NFL Kickoff Game. The regular season ran through January 7, 2024, before the playoffs began.
Key dates around the start of the 2023-24 NFL season:
- The NFL new league year and free agency started on March 15, 2023.
- Preseason games began in early August 2023, with the Hall of Fame game on August 3, 2023.
- The regular season officially kicked off with the Week 1 game on September 7, 2023.
So the official answer is: The 2023-24 NFL regular season started on September 7, 2023.
