Round Rock Police rules

Round Rock daytime curfew: children under 17

 * 9:00 am to 2:30 pm on weekdays when school is in session
 * Monday--Friday, midnight to 6 a.m., and Saturday-- through Sunday, 1 a.m. to 6 a.m.

Williamson County:
(12/03) Round Rock Police FAQ
 * Sunday through Thursday, midnight to 6 a.m.
 * Friday through Saturday, 1 a.m. to 6 a.m.