You get 3 timeouts per half, and 2 timeouts for each overtime.
For the NBA, each team has six timeouts for each game, four of which are mandatory and are used at specific times in each of the four quarters. Each team also has two 20-second timeouts which can be used (one in each half, and they cannot be carried over or saved). In overtime, each team receives three full timeouts. For College, in non-televised games each team gets 4-75 second and 2-30 second timeouts per game. In televised games each team gets 1-60 second and 4-30 second timeouts, with an unused 60 second and a maximum of 3 unused 30 second timeouts carrying over to the second half.
2 in the 1st half, 3 in the 2nd half and 1 in overtime. Unused time outs to not carry over
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Each team is entitled to six (6) charged timeouts during regulation play. Each team is limited to no more than three (3) timeouts in the fourth quarter and no more than two (2) timeouts in the last two minutes of regulation play. (This is in addition to one 20-second timeout per half.) In overtime periods each team shall be allowed three (3) 60-second timeouts regardless of the number of timeouts called or remaining during regulation play or previous overtimes. There must be two 100-second timeouts in the first and third periods and three 100-second timeouts in the second and fourth periods. If neither team has taken a timeout prior to 5:59 of the first or third period, it shall be mandatory for the Official Scorer to take it at the first dead ball and charge it to the home team. If no subsequent timeouts are taken prior to 2:59, it shall be mandatory for the Official Scorer to take it and charge it to the team not previously charged. If neither team has taken a timeout prior to 8:59 of the second or fourth period, a mandatory timeout will be called by the Official Scorer and charged to neither team. If there are no subsequent timeouts taken prior to 5:59, it shall be mandatory for the Official Scorer to take it at the first dead ball and charge it to the home team. If no subsequent timeouts are taken prior to 2:59, it shall be mandatory for the Official Scorer to take it and charge it to the team not previously charged. The Official Scorer shall notify a team when it has been charged with a mandatory timeout. Any additional timeouts in a period beyond those which are mandatory shall be 60 seconds. No regular or mandatory timeout shall be granted to the defensive team during an official's suspension-of-play for (1) a delay-of-game warning, (2) retrieving an errant ball, (3) an inadvertent whistle, or (4) any other unusual circumstance.
Three full timeouts and two 30-second timeouts are allowed in high-school basketball.
Overtime is a subject of each state's laws. In most cases, after 40 hours, overtime must be paid.
In the NFL, each team gets three time-outs per half. In an overtime period, each team receives two time-outs. If a team challenges a play and loses the challenge, it also costs them a time out.
Each coach gets three full and two 30-second time-outs. They can be used at any time in the game. For each overtime period, each team receives another full time-out.
20 minutes in each of the 3 periods for a total of 60. Overtime is a single sudden death 5 minute period. If there is no goals in OT then it becomes a tie unless it is the playoffs.
There are four 15 minute periods in arena football. They also play an overtime period if needed.
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