Definition of RATTLY. : likely to rattle: making a rattle. See rattly defined for kids.
The safe harbor refers to the time period between 10 p.m. and 6 a.m., local time. During this time period, a station may air indecent and/or profane material. In contrast, there is no safe harbor for the broadcast of obscene material.
They can help you with that, too. Hours: The Balboa Park grounds are open 24 hours a day, the Visitors Center is open 9:30 a.m.-4:30 p.m. daily, and museum hours vary by institution.