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FIBA, WNBA, NCCAA women's basketball rule differences
| RULE |
FIBA |
WNBA |
NCAA |
| Duration of Game |
Four, 10 minute periods |
Two, 20 minute halves |
Two, 20 minute halves |
| Overtime Duration |
5 minutes |
5 minutes |
5 minutes |
| Length of Halftime |
15 minutes |
15 minutes |
15 minutes |
| Duration Between First-Second and Third-Fourth Periods |
2 minutes |
not applicable |
Not applicable |
| Court Length |
91' 10" x 49' 2.5" |
94' x 50' |
94' x 50' |
| Size of Lane |
19 ' 8.2 " x 19' 0.3" |
12' x 19' |
12' x 19' |
| Three-Point FG Distance |
20' 6.1 " |
19' 9" |
19' 9" |
| Shot Clock |
24 seconds |
30 seconds |
30 seconds |
| Shot Clock Reset |
FG attempt hits rim |
FG attempt hits rim |
FG attempt hits rim |
| Back Court Violation |
8 seconds |
10 seconds |
No restriction |
| Game Clock Stops After Successful FG |
Last two minutes of 4th period and overtime |
Last minute of each half and overtime |
Last minute of game and last minute of overtime |
| Player Foul Limit |
5 |
6 |
5 |
| Bonus Free Throw |
5th foul per period (two FTs) |
8th foul per half (two FTs) On 3rd OT foul (two FTs) |
7th foul per half (1-and-1) 10th foul per half (two FTs) |
| Number of Players Permitted On Free Throw Lane |
5 (three defensive, two offensive) |
5 (three defensive, two offensive) |
5 (three defensive, two offensive) |
| Jump Ball |
Yes |
Yes |
Teams alternate possession after opening tip-off |
| Closely Guarded For Five Seconds |
Yes, while holding the ball |
No |
Yes, while holding the ball |
| Timeouts - Non-TV Game |
1 60-second in each of the first three periods, 2 60-second in 4th period |
1 120-second and 1 20-second in first half; 1 120-second and 2 20-second in the second half |
4 75-second and 2 30-second per game |
| Timeouts - TV Game |
1 60-second in each of the first three periods, 2 60-second in 4th period |
Same as non-TV game |
1 60-second, 4 30-second first half; unused 60-second and max of 3 unused 30-second carry over to second half |
| Timeouts - Overtime |
1 additional 60-second |
1 120-second, 1 20-second; 1 unused 20-second second half timeout can carry over |
Any not used in regulation carry over plus 1 additional 30-second each OT |
| Timeouts Called By |
Coach |
Player in game |
Coach or player in game |
| Number of Referees |
Two (three can be used in competitions if the Zone or host federation wish to) |
Three |
Three |
| Size of Basketball |
Max. Circumference 78 cm (30' 7") |
Max. Circumference 29" |
-Max. Circumference 29"
-Maximum Weight 20 ounces
-Seams 1/4" wide max |
| Legal Jersey Numbers |
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
0, 00, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55 |
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, 51, 52, 53, 54, 55 |
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