NET
5 Since man’s days are determined, the number of his months is under your control; you have set his limit and he cannot pass it.
Darby
5 If his days are determined, if the number of his months is with thee, [and] thou hast appointed his bounds which he must not pass,
KJV
5 Seeing his days [are] determined, the number of his months [are] with thee, thou hast appointed his bounds that he cannot pass;