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Basketball · Official Basketball Rules

Law 50: Timer

2 parts · 3 tests · 30 facts · updated 22 October 2026 · markdown

The timer's equipment and markers, when the game clock starts and stops, and how time-outs and intervals are measured.

50.501Duties and Markers

The clock, the signal, the foul and team foul markers.

Test 1The timer's dutiesTake a test

  1. The timer is provided with a game clock and a stopwatch.

    Source: FIBA OBR 2026, Art. 50.1 · recall

  2. The timer uses any means possible to notify the officials immediately if the signal fails or is not heard.

    Source: FIBA OBR 2026, Art. 50.1 · applied

  3. The timer indicates each player's fouls with the player foul marker, visible to both head coaches.

    Source: FIBA OBR 2026, Art. 50.1 · recall

  4. The timer notifies an official immediately when 5 fouls have been charged against a player.

    Source: FIBA OBR 2026, Art. 50.1 · recall

  5. Each team foul marker is placed on the scorer's table on the side nearest that team's bench.

    Source: FIBA OBR 2026, Art. 50.1 · recall

  6. The timer sounds the signal only when the ball becomes dead and before it becomes live again.

    Source: FIBA OBR 2026, Art. 50.1 · recall

  7. The timer's signal neither stops the game clock or the game nor causes the ball to become dead.

    Source: FIBA OBR 2026, Art. 50.1 · recall

  8. After the 4th team foul, the marker turns fully red once the ball is live again.

    Source: FIBA OBR 2026, Art. 50.1 · applied

  9. The player foul marker shows 5 and an official is notified at once.

    Source: FIBA OBR 2026, Art. 50.1, 41.1 · applied

  10. Fully red means four are already in, and play has resumed.

    Source: FIBA OBR 2026, Art. 50.1 · applied

50.502Measuring Time

Starting and stopping the clock, time-outs and intervals.

Test 1Starting and stopping the clockTake a test

  1. During a jump ball, the clock starts when the ball is legally tapped by a jumper.

    Source: FIBA OBR 2026, Art. 50.2 · recall

  2. During a throw-in, the clock starts when the ball touches or is legally touched by a player on the court.

    Source: FIBA OBR 2026, Art. 50.2 · recall

  3. The ring touch does not count; a player's touch does.

    Source: FIBA OBR 2026, Art. 50.2 · recall

  4. The timer stops the clock when time expires, if it does not stop automatically.

    Source: FIBA OBR 2026, Art. 50.2 · applied

  5. The game clock stops on a goal when it shows 2:00 or less in the 4th quarter and each overtime.

    Source: FIBA OBR 2026, Art. 50.2 · applied

  6. The game clock stops when the shot clock signal sounds while a team is in control of the ball.

    Source: FIBA OBR 2026, Art. 50.2 · recall

  7. The timer stops the game clock when an official blows the whistle while the ball is live.

    Source: FIBA OBR 2026, Art. 50.2 · recall

  8. Passing it in is not enough; a touch on court starts it.

    Source: FIBA OBR 2026, Art. 50.2 · applied

  9. In the last 2 minutes the clock stops on a goal and restarts on the throw-in's touch.

    Source: FIBA OBR 2026, Art. 50.2 · applied

  10. A goal with 2:00 or less in the 4th stops the clock; an early goal, a tap and the timer's own signal do not.

    Source: FIBA OBR 2026, Art. 50.1-50.2 · applied

Test 2Time-outs and intervalsTake a test

  1. The stopwatch starts immediately when the official blows the whistle and gives the time-out signal.

    Source: FIBA OBR 2026, Art. 50.3 · recall

  2. The timer sounds the signal when 50 seconds of the time-out have elapsed, and again when it ends.

    Source: FIBA OBR 2026, Art. 50.3 · recall

  3. The stopwatch starts immediately when the previous quarter or overtime has ended.

    Source: FIBA OBR 2026, Art. 50.4 · recall

  4. The timer notifies the officials when 3 minutes and 1.5 minutes remain before the 1st and 3rd quarters.

    Source: FIBA OBR 2026, Art. 50.4 · recall

  5. The timer sounds the signal 30 seconds before the 2nd and 4th quarters and each overtime.

    Source: FIBA OBR 2026, Art. 50.4 · recall

  6. The timer sounds the signal and stops the stopwatch at the same moment the interval ends.

    Source: FIBA OBR 2026, Art. 50.4 · recall

  7. The timer effects time-outs and notifies the officials of the time-out opportunity once requested.

    Source: FIBA OBR 2026, Art. 50.1 · applied

  8. Stopwatch on the whistle; signals at 50 seconds and at the end.

    Source: FIBA OBR 2026, Art. 50.3 · applied

  9. Watch on at the end of the quarter, notices at 3 and 1.5 minutes, signal at the end.

    Source: FIBA OBR 2026, Art. 50.4 · applied

  10. Fifty seconds in, the first signal warns the teams.

    Source: FIBA OBR 2026, Art. 50.3 · applied

Sources

FIBA Official Basketball Rules 2026 (v1.1), Article 50 (paraphrased in original wording; original questions authored from the Rules, not reproduced)

  • FIBA OBR 2026, Art. 50.110
  • FIBA OBR 2026, Art. 50.29
  • FIBA OBR 2026, Art. 50.45
  • FIBA OBR 2026, Art. 50.34
  • FIBA OBR 2026, Art. 50.1, 41.11
  • FIBA OBR 2026, Art. 50.1-50.21