Want to know the rules of basketball

1． Game time

Each game is divided into two and a half hours and four quarters, each quarter is 12 minutes. Overtime is 5 minutes.

A 130-second break between the first and second quarters, and between the third and fourth quarters. Rest 15 minutes between halves. A 100-second break is allowed between the 4th quarter and overtime and between any overtime period.

During the last minute of the first, second and third quarters, the game clock shall be stopped after a successful shot. During the final two minutes of the fourth quarter and overtime, the game clock shall be stopped after a successful field goal.

2. Team

During the competition, each team consists of 5 players, and the number of players on the field must not be less than 5.

If a player commits a sixth personal foul and the team has no eligible substitutes, the player shall remain on the court and shall be charged with a personal foul and a team foul; the player shall also be assessed a penalty. The team received a technical foul. All subsequent personal fouls (including offensive fouls) shall be dealt with accordingly.

If there are only 5 qualified players and one of them is injured and must leave the game or be ejected, he shall be replaced by the last player disqualified for 6 personal fouls. This reverse order should be followed each time it is necessary to replace an injured or ejected player. Any disqualified player who re-enters the game shall be penalized with a technical foul.

3. Start of Game

The first quarter and overtime shall begin with a jump ball in center.

The second and third quarters shall begin with a throw-in at the end line by the team that lost the ball after the kickoff of the first quarter.

The fourth quarter shall begin with a throw-in at the end line by the team that gained possession of the ball after the kickoff of the first quarter.

4． Dead ball, live ball, pressure ball

The ball becomes dead when:

The ball is challenged;

The ball stays on the basket or is stuck in the basket between the circle and the backboard;

End of any quarter; free throws for technical fouls;

Personal fouls (boxing fouls, non-contest fouls);

The first free throw among multiple free throws;

On-court violation (walking with the ball, 3 seconds, 10 seconds, 24 seconds, etc.);

Fighting foul;

Omission of the whistle;

After a successful field goal or free throw;

Before a player takes possession of the ball.

The ball becomes live in the following situations: In any jump ball, when the referee throws the ball; when the throw-in player can handle the ball; when the free throw player can handle the ball.

The ball becomes a ball in the following situations: when the ball is legally tapped by a jumper; when the ball leaves the hand of the throw-in player; when the ball leaves the hand of the free throw player.

5． Substitutions

The substitute shall report his and the names and numbers of the substituted player to the scorer and shall place himself in the substitution area in front of the scorer's table. Failure to report to the Recorder will result in a $25 fine. The scorer should blow the whistle to announce a substitution when the ball becomes dead (except after a successful shot). Substitutes must be waved by the referee before they can enter the game. The time limit for replacing a disqualified player is 30 seconds.

After the first free throw of multiple free throws, a substitute is allowed to enter the game regardless of whether the free throw is made or not.

Substitutes are not allowed to replace free throw shooters or jump ball players, unless the injured player requests a substitution, in which case the opposing coach should select a substitute player on the team bench of the side that takes the free throw (jump) ball. The injured player cannot play again. Substitutes must remain on the field once they enter the game and substitutions are not allowed until the next dead ball.

If a player is injured due to unsportsmanlike conduct and is unable to take a free throw, his coach may designate any qualified player on the team to take the free throw. Injured players can also play again.

6. Time-out

(l) 20-second time-out

Each team has the right to request a 20-second time-out every half. ***You can request two 20-second timeouts per game (including overtime).