In professional basketball, the shot clock is set to 24 seconds. This clock dictates the maximum time a team has to attempt a shot after gaining possession of the ball. The purpose of the shot clock is to promote a faster pace of play and prevent teams from stalling. If a team fails to attempt a shot within the 24 seconds, possession is turned over to the opposing team. This vital rule keeps games exciting and ensures a dynamic playing environment for both players and fans.