Games and non-championship games have around the same time. Which is around 15-20 minutes. NBA halftime shows aren't really timed, it's live, and some halftime shows may be longer than others.
How ever long the commercials are
Go to the games
10 minutes, same as the NBA.
20 minutes
They need four wins out of 7 to win the nba championship.
Russell
6
The Los Angeles Lakers defeated the Philadelphia 76ers, 4 games to 2, to win the NBA championship in 1980.
The Boston Celtics won the 1964 NBA championship by defeating the San Francisco Warriors in the final of 5 games.
6 Games
Boston Celtics
An NBA game consists of 48 minutes of play. However, with timeouts, halftime, free throws, and other parts of the game that cause time to stop, NBA games actually last around 2 hours and 15 minutes.