| Basic Rules of Basketball - Duration of Game |
Four 10 minute periods |
Four 12 Minute periods |
Two, 20 minute halves |
| Basic Rules of Basketball -Overtime |
5 minutes |
5 minutes |
5 minutes |
| Duration Between First, Second, Third, and Fourth Periods |
2 minutes |
130 seconds |
not applicable |
| Basic Rules of Basketball Length of Halftime |
15 minutes |
15 minutes |
15 minutes |
| Court Length |
91' 10" x 49' 2.5" |
94' x 50' |
94' x 50' |
| Size of Lane |
19'8.2"x19'0.3" |
16' x 19' |
12' x 19' |
| Three-Point FG Distance |
20' 6.1 " |
23' 9" (22' in corner) |
19' 9" |
| Shot Clock |
24 seconds |
24 seconds |
35 seconds |
| Shot Clock Reset |
FG attempt hits rim |
FG attempt hits rim |
FG attempt hits rim |
| Back Court Violation |
8 seconds |
8 seconds |
10 seconds |
| Game Clock Stops After Successful FG |
Last 2 minutes of 4thperiod and overtime |
Last 2 minutes of 4th period and overtime |
Last minute of second half and last minute of overtime |
| Basic Rules of Basketball- Player Foul |
5 |
6 |
5 |
| Bonus Free Throw |
5th foul per period (two FTs) |
5th foul per period (one-and-one only)
|
7th foul per half (one-and-one) 10th foul per half (two FTs) |
| Number of Players Permitted On Free Throw Lane |
5 (three defensive, two offensive) |
5 (three defensive, two offensive) |
6 (four defensive, two offensive) |
| Basic Rules of Basketball - Jump Ball |
Yes |
Yes |
Teams alternate possession after opening tip-off |
| Legal Alley-Oop |
Yes |
Yes |
Yes |
| Touch Ball On / Above Cylinder |
Yes |
No |
No |
| Basic Rules of Basketball - Closely Guarded For 5 Seconds |
Yes (while holding the ball) |
No |
Yes (while holding or dribbling the ball) |
| Basic Rules of Basketball – Number of Referees |
Two (three can be used in competitions if the Zone or host federation wish to)
|
Three |
Three
|
| Basic Rules of Basketball –Non-Televised Game |
1 60-second in each of the first three periods, 2 60-secondin 4th period |
6 full, 1 20-second per half |
4 75-second and 2 30-second per game |
| Basic Rules of Basketball – Televised Game |
1 60-second in each of the first three periods, 2 60-secondin 4th period |
6 full, 1 20-second per half |
1 60-second, 4 30-second per game; unused 60-second and max of 3 unused 30-second carry over to second half |
| Basic Rules of Basketball – Timeouts-Overtime |
1 additional 60-second |
3 additional full |
1 additional 30-second timeout and unused second half 30-second timeouts carryover |
| Timeouts Called By Whom |
Coach |
Player in game |
Head coach or player in game |
| Basic Rules of Basketball – Size of Basketball |
Maximum Circumference 78 cm (30.7") |
Around channels 29 1/2" to 29 3/4." Across channels 29 5/8" to 29 7/8" |
Maximum Circumference 30"Seams 1/4" Max. |
| Basic Rules of Basketball – Legal Jersey Numbers |
4, 5, 6, 7, 8, 9, 10, 11,12, 13, 14, 15 |
All numbers |
00, 0, 1, 2, 3, 4, 5, 10, 11, 12,13, 14, 15, 20, 21, 22, 23, 24,25, 30, 31, 32, 33, 34, 35, 40,41, 42, 43, 44, 45, 50, 52, 52,53, 54, 55 |