It could be two to six months before he’s released.
https://www.inmateaid.com/ask-the-inmate/my-husband-got-approved-for-parole-on-may-1st-he-is-now-waiting-for-his-parole-plan-his-parole-officer-just-called-me-to-verify-our-address-how-long-before-he-will-be-released#answer
Accepted Answer Date Created: May 11,2018