How Long does a Basketball Game Last
A professional basketball game (NBA) lasts for at least 48 minutes. This is divided into four 12 minute quarters. If there is a tie at the end of regulation play, the game is extended another 5 minutes. This keeps going on until one team wins.
An NBA basketball game lasts about an hour. There are four periods that consist of 12 minutes. You also need to factor in time outs and half time.